Home / 150,819.15-226,151.34-79,780.13

Finding the Fourth Proportional to 150,819.15, 226,151.34 and 79,780.13

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Solution

The fourth proportional to 150,819.15, 226,151.34 and 79,780.13 is: 119,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,819.15 : 226,151.34 = 79,780.13 : x
  2. Step 2: Convert to fraction form
    150,819.15/226,151.34 = 79,780.13/x
  3. Step 3: Cross multiply
    150,819.15x = 226,151.34 × 79,780.13
  4. Step 4: Simplify right side
    150,819.15x = 18,042,383,304.87
  5. Step 5: Solve for x
    x = 18,042,383,304.87/150,819.15
  6. Step 6: Final answer
    x = 119,629.26

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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.