Home / 87,135.31-130,692.57-23,961.85

Finding the Fourth Proportional to 87,135.31, 130,692.57 and 23,961.85

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Solution

The fourth proportional to 87,135.31, 130,692.57 and 23,961.85 is: 35,939.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,135.31 : 130,692.57 = 23,961.85 : x
  2. Step 2: Convert to fraction form
    87,135.31/130,692.57 = 23,961.85/x
  3. Step 3: Cross multiply
    87,135.31x = 130,692.57 × 23,961.85
  4. Step 4: Simplify right side
    87,135.31x = 3,131,635,341.87
  5. Step 5: Solve for x
    x = 3,131,635,341.87/87,135.31
  6. Step 6: Final answer
    x = 35,939.91

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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.