Finding the Fourth Proportional to 138,727.08, 207,920.70 and 59,673.96
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Solution
The fourth proportional to 138,727.08, 207,920.70 and 59,673.96 is: 89,437.85
Step by Step Solution
- Step 1: Write the proportion equation
138,727.08 : 207,920.70 = 59,673.96 : x - Step 2: Convert to fraction form
138,727.08/207,920.70 = 59,673.96/x - Step 3: Cross multiply
138,727.08x = 207,920.70 × 59,673.96 - Step 4: Simplify right side
138,727.08x = 12,407,451,534.97 - Step 5: Solve for x
x = 12,407,451,534.97/138,727.08 - Step 6: Final answer
x = 89,437.85
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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.