Home / 87,115.56-130,617.18-37,228.20

Finding the Fourth Proportional to 87,115.56, 130,617.18 and 37,228.20

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Solution

The fourth proportional to 87,115.56, 130,617.18 and 37,228.20 is: 55,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,115.56 : 130,617.18 = 37,228.20 : x
  2. Step 2: Convert to fraction form
    87,115.56/130,617.18 = 37,228.20/x
  3. Step 3: Cross multiply
    87,115.56x = 130,617.18 × 37,228.20
  4. Step 4: Simplify right side
    87,115.56x = 4,862,642,500.48
  5. Step 5: Solve for x
    x = 4,862,642,500.48/87,115.56
  6. Step 6: Final answer
    x = 55,818.30

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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.