Finding the Fourth Proportional to 125,336.26, 187,960.53 and 75,425.26
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Solution
The fourth proportional to 125,336.26, 187,960.53 and 75,425.26 is: 113,111.50
Step by Step Solution
- Step 1: Write the proportion equation
125,336.26 : 187,960.53 = 75,425.26 : x - Step 2: Convert to fraction form
125,336.26/187,960.53 = 75,425.26/x - Step 3: Cross multiply
125,336.26x = 187,960.53 × 75,425.26 - Step 4: Simplify right side
125,336.26x = 14,176,971,844.99 - Step 5: Solve for x
x = 14,176,971,844.99/125,336.26 - Step 6: Final answer
x = 113,111.50
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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.