Home / 90,375.11-135,414.43-64,032.83

Finding the Fourth Proportional to 90,375.11, 135,414.43 and 64,032.83

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Solution

The fourth proportional to 90,375.11, 135,414.43 and 64,032.83 is: 95,944.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,375.11 : 135,414.43 = 64,032.83 : x
  2. Step 2: Convert to fraction form
    90,375.11/135,414.43 = 64,032.83/x
  3. Step 3: Cross multiply
    90,375.11x = 135,414.43 × 64,032.83
  4. Step 4: Simplify right side
    90,375.11x = 8,670,969,175.74
  5. Step 5: Solve for x
    x = 8,670,969,175.74/90,375.11
  6. Step 6: Final answer
    x = 95,944.22

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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.