Finding the Fourth Proportional to 100,843.26, 151,332.93 and 75,901.74
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Solution
The fourth proportional to 100,843.26, 151,332.93 and 75,901.74 is: 113,903.82
Step by Step Solution
- Step 1: Write the proportion equation
100,843.26 : 151,332.93 = 75,901.74 : x - Step 2: Convert to fraction form
100,843.26/151,332.93 = 75,901.74/x - Step 3: Cross multiply
100,843.26x = 151,332.93 × 75,901.74 - Step 4: Simplify right side
100,843.26x = 11,486,432,706.30 - Step 5: Solve for x
x = 11,486,432,706.30/100,843.26 - Step 6: Final answer
x = 113,903.82
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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.