Finding the Fourth Proportional to 125,961.20, 173,822.28 and 69,372.44
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Solution
The fourth proportional to 125,961.20, 173,822.28 and 69,372.44 is: 95,731.67
Step by Step Solution
- Step 1: Write the proportion equation
125,961.20 : 173,822.28 = 69,372.44 : x - Step 2: Convert to fraction form
125,961.20/173,822.28 = 69,372.44/x - Step 3: Cross multiply
125,961.20x = 173,822.28 × 69,372.44 - Step 4: Simplify right side
125,961.20x = 12,058,475,689.96 - Step 5: Solve for x
x = 12,058,475,689.96/125,961.20 - Step 6: Final answer
x = 95,731.67
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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.