Finding the Fourth Proportional to 159,957.99, 220,708.08 and 95,410.08
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Solution
The fourth proportional to 159,957.99, 220,708.08 and 95,410.08 is: 131,645.66
Step by Step Solution
- Step 1: Write the proportion equation
159,957.99 : 220,708.08 = 95,410.08 : x - Step 2: Convert to fraction form
159,957.99/220,708.08 = 95,410.08/x - Step 3: Cross multiply
159,957.99x = 220,708.08 × 95,410.08 - Step 4: Simplify right side
159,957.99x = 21,057,775,569.45 - Step 5: Solve for x
x = 21,057,775,569.45/159,957.99 - Step 6: Final answer
x = 131,645.66
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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.