Finding the Fourth Proportional to 134,545.59, 185,672.01 and 74,114.82
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Solution
The fourth proportional to 134,545.59, 185,672.01 and 74,114.82 is: 102,277.95
Step by Step Solution
- Step 1: Write the proportion equation
134,545.59 : 185,672.01 = 74,114.82 : x - Step 2: Convert to fraction form
134,545.59/185,672.01 = 74,114.82/x - Step 3: Cross multiply
134,545.59x = 185,672.01 × 74,114.82 - Step 4: Simplify right side
134,545.59x = 13,761,047,600.19 - Step 5: Solve for x
x = 13,761,047,600.19/134,545.59 - Step 6: Final answer
x = 102,277.95
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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.