Home / 90,231.72-135,304.92-27,027.48

Finding the Fourth Proportional to 90,231.72, 135,304.92 and 27,027.48

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Solution

The fourth proportional to 90,231.72, 135,304.92 and 27,027.48 is: 40,528.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,231.72 : 135,304.92 = 27,027.48 : x
  2. Step 2: Convert to fraction form
    90,231.72/135,304.92 = 27,027.48/x
  3. Step 3: Cross multiply
    90,231.72x = 135,304.92 × 27,027.48
  4. Step 4: Simplify right side
    90,231.72x = 3,656,951,019.20
  5. Step 5: Solve for x
    x = 3,656,951,019.20/90,231.72
  6. Step 6: Final answer
    x = 40,528.44

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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.