Finding the Fourth Proportional to 125,976.19, 173,847.12 and 69,387.57
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Solution
The fourth proportional to 125,976.19, 173,847.12 and 69,387.57 is: 95,754.82
Step by Step Solution
- Step 1: Write the proportion equation
125,976.19 : 173,847.12 = 69,387.57 : x - Step 2: Convert to fraction form
125,976.19/173,847.12 = 69,387.57/x - Step 3: Cross multiply
125,976.19x = 173,847.12 × 69,387.57 - Step 4: Simplify right side
125,976.19x = 12,062,827,992.13 - Step 5: Solve for x
x = 12,062,827,992.13/125,976.19 - Step 6: Final answer
x = 95,754.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.