Home / 150,620.52-207,834.70-90,176.68

Finding the Fourth Proportional to 150,620.52, 207,834.70 and 90,176.68

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Solution

The fourth proportional to 150,620.52, 207,834.70 and 90,176.68 is: 124,430.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,620.52 : 207,834.70 = 90,176.68 : x
  2. Step 2: Convert to fraction form
    150,620.52/207,834.70 = 90,176.68/x
  3. Step 3: Cross multiply
    150,620.52x = 207,834.70 × 90,176.68
  4. Step 4: Simplify right side
    150,620.52x = 18,741,843,234.80
  5. Step 5: Solve for x
    x = 18,741,843,234.80/150,620.52
  6. Step 6: Final answer
    x = 124,430.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.