Home / 87,151.38-130,782.37-37,231.85

Finding the Fourth Proportional to 87,151.38, 130,782.37 and 37,231.85

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Solution

The fourth proportional to 87,151.38, 130,782.37 and 37,231.85 is: 55,871.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,151.38 : 130,782.37 = 37,231.85 : x
  2. Step 2: Convert to fraction form
    87,151.38/130,782.37 = 37,231.85/x
  3. Step 3: Cross multiply
    87,151.38x = 130,782.37 × 37,231.85
  4. Step 4: Simplify right side
    87,151.38x = 4,869,269,069.37
  5. Step 5: Solve for x
    x = 4,869,269,069.37/87,151.38
  6. Step 6: Final answer
    x = 55,871.40

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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.