Home / 90,227.26-135,316.10-50,196.92

Finding the Fourth Proportional to 90,227.26, 135,316.10 and 50,196.92

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Solution

The fourth proportional to 90,227.26, 135,316.10 and 50,196.92 is: 75,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,227.26 : 135,316.10 = 50,196.92 : x
  2. Step 2: Convert to fraction form
    90,227.26/135,316.10 = 50,196.92/x
  3. Step 3: Cross multiply
    90,227.26x = 135,316.10 × 50,196.92
  4. Step 4: Simplify right side
    90,227.26x = 6,792,451,446.41
  5. Step 5: Solve for x
    x = 6,792,451,446.41/90,227.26
  6. Step 6: Final answer
    x = 75,281.59

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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.