Home / 90,494.28-135,761.68-27,315.52

Finding the Fourth Proportional to 90,494.28, 135,761.68 and 27,315.52

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Solution

The fourth proportional to 90,494.28, 135,761.68 and 27,315.52 is: 40,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,494.28 : 135,761.68 = 27,315.52 : x
  2. Step 2: Convert to fraction form
    90,494.28/135,761.68 = 27,315.52/x
  3. Step 3: Cross multiply
    90,494.28x = 135,761.68 × 27,315.52
  4. Step 4: Simplify right side
    90,494.28x = 3,708,400,885.27
  5. Step 5: Solve for x
    x = 3,708,400,885.27/90,494.28
  6. Step 6: Final answer
    x = 40,979.40

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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.