Home / 87,878.75-131,840.61-25,549.25

Finding the Fourth Proportional to 87,878.75, 131,840.61 and 25,549.25

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Solution

The fourth proportional to 87,878.75, 131,840.61 and 25,549.25 is: 38,330.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,878.75 : 131,840.61 = 25,549.25 : x
  2. Step 2: Convert to fraction form
    87,878.75/131,840.61 = 25,549.25/x
  3. Step 3: Cross multiply
    87,878.75x = 131,840.61 × 25,549.25
  4. Step 4: Simplify right side
    87,878.75x = 3,368,428,577.30
  5. Step 5: Solve for x
    x = 3,368,428,577.30/87,878.75
  6. Step 6: Final answer
    x = 38,330.41

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1.5x scale

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.