Finding the Fourth Proportional to 125,265.69, 187,427.70 and 87,898.68
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Solution
The fourth proportional to 125,265.69, 187,427.70 and 87,898.68 is: 131,517.64
Step by Step Solution
- Step 1: Write the proportion equation
125,265.69 : 187,427.70 = 87,898.68 : x - Step 2: Convert to fraction form
125,265.69/187,427.70 = 87,898.68/x - Step 3: Cross multiply
125,265.69x = 187,427.70 × 87,898.68 - Step 4: Simplify right side
125,265.69x = 16,474,647,425.44 - Step 5: Solve for x
x = 16,474,647,425.44/125,265.69 - Step 6: Final answer
x = 131,517.64
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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.