Home / 90,227.21-135,359.48-27,044.78

Finding the Fourth Proportional to 90,227.21, 135,359.48 and 27,044.78

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Solution

The fourth proportional to 90,227.21, 135,359.48 and 27,044.78 is: 40,572.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227.21 : 135,359.48 = 27,044.78 : x
  2. Step 2: Convert to fraction form
    90,227.21/135,359.48 = 27,044.78/x
  3. Step 3: Cross multiply
    90,227.21x = 135,359.48 × 27,044.78
  4. Step 4: Simplify right side
    90,227.21x = 3,660,766,748.33
  5. Step 5: Solve for x
    x = 3,660,766,748.33/90,227.21
  6. Step 6: Final answer
    x = 40,572.76

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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.