Finding the Fourth Proportional to 125,169.20, 187,511.85 and 69,596.72
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Solution
The fourth proportional to 125,169.20, 187,511.85 and 69,596.72 is: 104,260.55
Step by Step Solution
- Step 1: Write the proportion equation
125,169.20 : 187,511.85 = 69,596.72 : x - Step 2: Convert to fraction form
125,169.20/187,511.85 = 69,596.72/x - Step 3: Cross multiply
125,169.20x = 187,511.85 × 69,596.72 - Step 4: Simplify right side
125,169.20x = 13,050,209,721.13 - Step 5: Solve for x
x = 13,050,209,721.13/125,169.20 - Step 6: Final answer
x = 104,260.55
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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.