Home / 87,615.20-131,444.73-25,285.70

Finding the Fourth Proportional to 87,615.20, 131,444.73 and 25,285.70

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Solution

The fourth proportional to 87,615.20, 131,444.73 and 25,285.70 is: 37,934.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,615.20 : 131,444.73 = 25,285.70 : x
  2. Step 2: Convert to fraction form
    87,615.20/131,444.73 = 25,285.70/x
  3. Step 3: Cross multiply
    87,615.20x = 131,444.73 × 25,285.70
  4. Step 4: Simplify right side
    87,615.20x = 3,323,672,009.36
  5. Step 5: Solve for x
    x = 3,323,672,009.36/87,615.20
  6. Step 6: Final answer
    x = 37,934.88

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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.