Home / 87,498.60-131,247.90-70,002.60

Finding the Fourth Proportional to 87,498.60, 131,247.90 and 70,002.60

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Solution

The fourth proportional to 87,498.60, 131,247.90 and 70,002.60 is: 105,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,498.60 : 131,247.90 = 70,002.60 : x
  2. Step 2: Convert to fraction form
    87,498.60/131,247.90 = 70,002.60/x
  3. Step 3: Cross multiply
    87,498.60x = 131,247.90 × 70,002.60
  4. Step 4: Simplify right side
    87,498.60x = 9,187,694,244.54
  5. Step 5: Solve for x
    x = 9,187,694,244.54/87,498.60
  6. Step 6: Final answer
    x = 105,003.90

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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.