Finding the Fourth Proportional to 134,159.87, 185,145.05 and 73,732.65
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Solution
The fourth proportional to 134,159.87, 185,145.05 and 73,732.65 is: 101,753.50
Step by Step Solution
- Step 1: Write the proportion equation
134,159.87 : 185,145.05 = 73,732.65 : x - Step 2: Convert to fraction form
134,159.87/185,145.05 = 73,732.65/x - Step 3: Cross multiply
134,159.87x = 185,145.05 × 73,732.65 - Step 4: Simplify right side
134,159.87x = 13,651,235,355.21 - Step 5: Solve for x
x = 13,651,235,355.21/134,159.87 - Step 6: Final answer
x = 101,753.50
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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.