Home / 150,279.57-225,419.36-67,115.25

Finding the Fourth Proportional to 150,279.57, 225,419.36 and 67,115.25

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Solution

The fourth proportional to 150,279.57, 225,419.36 and 67,115.25 is: 100,672.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,279.57 : 225,419.36 = 67,115.25 : x
  2. Step 2: Convert to fraction form
    150,279.57/225,419.36 = 67,115.25/x
  3. Step 3: Cross multiply
    150,279.57x = 225,419.36 × 67,115.25
  4. Step 4: Simplify right side
    150,279.57x = 15,129,076,365.66
  5. Step 5: Solve for x
    x = 15,129,076,365.66/150,279.57
  6. Step 6: Final answer
    x = 100,672.88

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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.