Finding the Fourth Proportional to 134,697.17, 202,045.76 and 74,762.43
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Solution
The fourth proportional to 134,697.17, 202,045.76 and 74,762.43 is: 112,143.65
Step by Step Solution
- Step 1: Write the proportion equation
134,697.17 : 202,045.76 = 74,762.43 : x - Step 2: Convert to fraction form
134,697.17/202,045.76 = 74,762.43/x - Step 3: Cross multiply
134,697.17x = 202,045.76 × 74,762.43 - Step 4: Simplify right side
134,697.17x = 15,105,431,614.98 - Step 5: Solve for x
x = 15,105,431,614.98/134,697.17 - Step 6: Final answer
x = 112,143.65
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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.