Finding the Fourth Proportional to 131,922.97, 182,051.92 and 71,493.09
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Solution
The fourth proportional to 131,922.97, 182,051.92 and 71,493.09 is: 98,659.50
Step by Step Solution
- Step 1: Write the proportion equation
131,922.97 : 182,051.92 = 71,493.09 : x - Step 2: Convert to fraction form
131,922.97/182,051.92 = 71,493.09/x - Step 3: Cross multiply
131,922.97x = 182,051.92 × 71,493.09 - Step 4: Simplify right side
131,922.97x = 13,015,454,301.23 - Step 5: Solve for x
x = 13,015,454,301.23/131,922.97 - Step 6: Final answer
x = 98,659.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.