Home / 87,199.25-130,786.52-28,027.22

Finding the Fourth Proportional to 87,199.25, 130,786.52 and 28,027.22

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Solution

The fourth proportional to 87,199.25, 130,786.52 and 28,027.22 is: 42,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,199.25 : 130,786.52 = 28,027.22 : x
  2. Step 2: Convert to fraction form
    87,199.25/130,786.52 = 28,027.22/x
  3. Step 3: Cross multiply
    87,199.25x = 130,786.52 × 28,027.22
  4. Step 4: Simplify right side
    87,199.25x = 3,665,581,775.01
  5. Step 5: Solve for x
    x = 3,665,581,775.01/87,199.25
  6. Step 6: Final answer
    x = 42,036.85

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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.