Finding the Fourth Proportional to 134,922.12, 202,347.90 and 40,126.74
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Solution
The fourth proportional to 134,922.12, 202,347.90 and 40,126.74 is: 60,179.62
Step by Step Solution
- Step 1: Write the proportion equation
134,922.12 : 202,347.90 = 40,126.74 : x - Step 2: Convert to fraction form
134,922.12/202,347.90 = 40,126.74/x - Step 3: Cross multiply
134,922.12x = 202,347.90 × 40,126.74 - Step 4: Simplify right side
134,922.12x = 8,119,561,572.85 - Step 5: Solve for x
x = 8,119,561,572.85/134,922.12 - Step 6: Final answer
x = 60,179.62
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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.