Home / 87,057.28-130,595.33-37,142.65

Finding the Fourth Proportional to 87,057.28, 130,595.33 and 37,142.65

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Solution

The fourth proportional to 87,057.28, 130,595.33 and 37,142.65 is: 55,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,057.28 : 130,595.33 = 37,142.65 : x
  2. Step 2: Convert to fraction form
    87,057.28/130,595.33 = 37,142.65/x
  3. Step 3: Cross multiply
    87,057.28x = 130,595.33 × 37,142.65
  4. Step 4: Simplify right side
    87,057.28x = 4,850,656,633.82
  5. Step 5: Solve for x
    x = 4,850,656,633.82/87,057.28
  6. Step 6: Final answer
    x = 55,717.99

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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.