Finding the Fourth Proportional to 138,565.28, 207,714.26 and 63,736.68
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Solution
The fourth proportional to 138,565.28, 207,714.26 and 63,736.68 is: 95,543.54
Step by Step Solution
- Step 1: Write the proportion equation
138,565.28 : 207,714.26 = 63,736.68 : x - Step 2: Convert to fraction form
138,565.28/207,714.26 = 63,736.68/x - Step 3: Cross multiply
138,565.28x = 207,714.26 × 63,736.68 - Step 4: Simplify right side
138,565.28x = 13,239,017,321.06 - Step 5: Solve for x
x = 13,239,017,321.06/138,565.28 - Step 6: Final answer
x = 95,543.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.