Finding the Fourth Proportional to 138,612.20, 207,886.92 and 63,660.29
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Solution
The fourth proportional to 138,612.20, 207,886.92 and 63,660.29 is: 95,476.02
Step by Step Solution
- Step 1: Write the proportion equation
138,612.20 : 207,886.92 = 63,660.29 : x - Step 2: Convert to fraction form
138,612.20/207,886.92 = 63,660.29/x - Step 3: Cross multiply
138,612.20x = 207,886.92 × 63,660.29 - Step 4: Simplify right side
138,612.20x = 13,234,141,614.41 - Step 5: Solve for x
x = 13,234,141,614.41/138,612.20 - Step 6: Final answer
x = 95,476.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.