Finding the Fourth Proportional to 134,603.43, 185,750.17 and 74,179.65
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Solution
The fourth proportional to 134,603.43, 185,750.17 and 74,179.65 is: 102,366.50
Step by Step Solution
- Step 1: Write the proportion equation
134,603.43 : 185,750.17 = 74,179.65 : x - Step 2: Convert to fraction form
134,603.43/185,750.17 = 74,179.65/x - Step 3: Cross multiply
134,603.43x = 185,750.17 × 74,179.65 - Step 4: Simplify right side
134,603.43x = 13,778,882,598.04 - Step 5: Solve for x
x = 13,778,882,598.04/134,603.43 - Step 6: Final answer
x = 102,366.50
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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.