Finding the Fourth Proportional to 125,704.32, 188,511.12 and 36,934.08
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Solution
The fourth proportional to 125,704.32, 188,511.12 and 36,934.08 is: 55,387.79
Step by Step Solution
- Step 1: Write the proportion equation
125,704.32 : 188,511.12 = 36,934.08 : x - Step 2: Convert to fraction form
125,704.32/188,511.12 = 36,934.08/x - Step 3: Cross multiply
125,704.32x = 188,511.12 × 36,934.08 - Step 4: Simplify right side
125,704.32x = 6,962,484,786.97 - Step 5: Solve for x
x = 6,962,484,786.97/125,704.32 - Step 6: Final answer
x = 55,387.79
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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.