Home / 150,260.72-225,406.19-55,515.78

Finding the Fourth Proportional to 150,260.72, 225,406.19 and 55,515.78

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Solution

The fourth proportional to 150,260.72, 225,406.19 and 55,515.78 is: 83,279.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,260.72 : 225,406.19 = 55,515.78 : x
  2. Step 2: Convert to fraction form
    150,260.72/225,406.19 = 55,515.78/x
  3. Step 3: Cross multiply
    150,260.72x = 225,406.19 × 55,515.78
  4. Step 4: Simplify right side
    150,260.72x = 12,513,600,593.47
  5. Step 5: Solve for x
    x = 12,513,600,593.47/150,260.72
  6. Step 6: Final answer
    x = 83,279.25

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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.