Home / 87,398.07-131,097.18-37,445.78

Finding the Fourth Proportional to 87,398.07, 131,097.18 and 37,445.78

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Solution

The fourth proportional to 87,398.07, 131,097.18 and 37,445.78 is: 56,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,398.07 : 131,097.18 = 37,445.78 : x
  2. Step 2: Convert to fraction form
    87,398.07/131,097.18 = 37,445.78/x
  3. Step 3: Cross multiply
    87,398.07x = 131,097.18 × 37,445.78
  4. Step 4: Simplify right side
    87,398.07x = 4,909,035,505.41
  5. Step 5: Solve for x
    x = 4,909,035,505.41/87,398.07
  6. Step 6: Final answer
    x = 56,168.69

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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.