Home / 150,865.20-226,427.40-66,754.80

Finding the Fourth Proportional to 150,865.20, 226,427.40 and 66,754.80

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Solution

The fourth proportional to 150,865.20, 226,427.40 and 66,754.80 is: 100,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,865.20 : 226,427.40 = 66,754.80 : x
  2. Step 2: Convert to fraction form
    150,865.20/226,427.40 = 66,754.80/x
  3. Step 3: Cross multiply
    150,865.20x = 226,427.40 × 66,754.80
  4. Step 4: Simplify right side
    150,865.20x = 15,115,115,801.52
  5. Step 5: Solve for x
    x = 15,115,115,801.52/150,865.20
  6. Step 6: Final answer
    x = 100,189.55

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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.