Finding the Fourth Proportional to 125,171.92, 172,753.32 and 71,444.62
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Solution
The fourth proportional to 125,171.92, 172,753.32 and 71,444.62 is: 98,602.75
Step by Step Solution
- Step 1: Write the proportion equation
125,171.92 : 172,753.32 = 71,444.62 : x - Step 2: Convert to fraction form
125,171.92/172,753.32 = 71,444.62/x - Step 3: Cross multiply
125,171.92x = 172,753.32 × 71,444.62 - Step 4: Simplify right side
125,171.92x = 12,342,295,301.14 - Step 5: Solve for x
x = 12,342,295,301.14/125,171.92 - Step 6: Final answer
x = 98,602.75
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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.