Home / 87,037.20-130,458.60-37,108.80

Finding the Fourth Proportional to 87,037.20, 130,458.60 and 37,108.80

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Solution

The fourth proportional to 87,037.20, 130,458.60 and 37,108.80 is: 55,621.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,037.20 : 130,458.60 = 37,108.80 : x
  2. Step 2: Convert to fraction form
    87,037.20/130,458.60 = 37,108.80/x
  3. Step 3: Cross multiply
    87,037.20x = 130,458.60 × 37,108.80
  4. Step 4: Simplify right side
    87,037.20x = 4,841,162,095.68
  5. Step 5: Solve for x
    x = 4,841,162,095.68/87,037.20
  6. Step 6: Final answer
    x = 55,621.76

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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.