Home / 87,890.40-131,858.04-25,560.88

Finding the Fourth Proportional to 87,890.40, 131,858.04 and 25,560.88

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Solution

The fourth proportional to 87,890.40, 131,858.04 and 25,560.88 is: 38,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,890.40 : 131,858.04 = 25,560.88 : x
  2. Step 2: Convert to fraction form
    87,890.40/131,858.04 = 25,560.88/x
  3. Step 3: Cross multiply
    87,890.40x = 131,858.04 × 25,560.88
  4. Step 4: Simplify right side
    87,890.40x = 3,370,407,537.48
  5. Step 5: Solve for x
    x = 3,370,407,537.48/87,890.40
  6. Step 6: Final answer
    x = 38,347.85

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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.