Home / 90,472.38-135,770.82-40,608.24

Finding the Fourth Proportional to 90,472.38, 135,770.82 and 40,608.24

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Solution

The fourth proportional to 90,472.38, 135,770.82 and 40,608.24 is: 60,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,472.38 : 135,770.82 = 40,608.24 : x
  2. Step 2: Convert to fraction form
    90,472.38/135,770.82 = 40,608.24/x
  3. Step 3: Cross multiply
    90,472.38x = 135,770.82 × 40,608.24
  4. Step 4: Simplify right side
    90,472.38x = 5,513,414,043.56
  5. Step 5: Solve for x
    x = 5,513,414,043.56/90,472.38
  6. Step 6: Final answer
    x = 60,940.30

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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.