Finding the Fourth Proportional to 138,382.87, 207,412.99 and 63,510.92
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Solution
The fourth proportional to 138,382.87, 207,412.99 and 63,510.92 is: 95,192.34
Step by Step Solution
- Step 1: Write the proportion equation
138,382.87 : 207,412.99 = 63,510.92 : x - Step 2: Convert to fraction form
138,382.87/207,412.99 = 63,510.92/x - Step 3: Cross multiply
138,382.87x = 207,412.99 × 63,510.92 - Step 4: Simplify right side
138,382.87x = 13,172,989,814.85 - Step 5: Solve for x
x = 13,172,989,814.85/138,382.87 - Step 6: Final answer
x = 95,192.34
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1.5x scale
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.