Home / 90,231.22-135,304.17-27,026.92

Finding the Fourth Proportional to 90,231.22, 135,304.17 and 27,026.92

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Solution

The fourth proportional to 90,231.22, 135,304.17 and 27,026.92 is: 40,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,231.22 : 135,304.17 = 27,026.92 : x
  2. Step 2: Convert to fraction form
    90,231.22/135,304.17 = 27,026.92/x
  3. Step 3: Cross multiply
    90,231.22x = 135,304.17 × 27,026.92
  4. Step 4: Simplify right side
    90,231.22x = 3,656,854,978.26
  5. Step 5: Solve for x
    x = 3,656,854,978.26/90,231.22
  6. Step 6: Final answer
    x = 40,527.60

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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.