Not Financial Advice:
From the Bureau of Labor and Statistics CPI inflation calculator: $80, 000 in 1983 is worth $191,468.85 in 2015.
This is calculated by getting the inflation rate of the selected time frame. The inflation rate is calculated from the beginning of the year. Other calculators might use inflation at different times of the year or an average annual inflation, so they might show slightly different results.
Inflation is the rate at which the general level of prices for goods and services is rising and, consequently, the purchasing power of currency is falling.
These information comes from the Consumer Price Index (CPI) provided by the Bureau of Labor Statistics of the United States Government. They produce monthly data on changes in the prices paid by urban consumers for a representative basket of goods and services.
From The Wall Street Journal: Federal Reserve officials are expected to raise interest rates for the first time in nine years on the expectation that employment and inflation will hit targets reflecting a healthy U.S. economy. Central bank officials predict inflation will approach their target in 2016. The trouble is they have made the same prediction for the past four years. If the Fed is again fooled, it may find it raised rates too soon, risking recession
You can visit a page about The Mystery of Missing Inflation Weighs on Fed Rate Move from the Wall Street Journal to know more.