Home / 90,195.62-135,294.33-40,278.24

Finding the Fourth Proportional to 90,195.62, 135,294.33 and 40,278.24

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Solution

The fourth proportional to 90,195.62, 135,294.33 and 40,278.24 is: 60,417.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,195.62 : 135,294.33 = 40,278.24 : x
  2. Step 2: Convert to fraction form
    90,195.62/135,294.33 = 40,278.24/x
  3. Step 3: Cross multiply
    90,195.62x = 135,294.33 × 40,278.24
  4. Step 4: Simplify right side
    90,195.62x = 5,449,417,494.38
  5. Step 5: Solve for x
    x = 5,449,417,494.38/90,195.62
  6. Step 6: Final answer
    x = 60,417.77

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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.