Home / 267,120.06-400,744.89-80,131.56

Finding the Fourth Proportional to 267,120.06, 400,744.89 and 80,131.56

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Solution

The fourth proportional to 267,120.06, 400,744.89 and 80,131.56 is: 120,216.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,120.06 : 400,744.89 = 80,131.56 : x
  2. Step 2: Convert to fraction form
    267,120.06/400,744.89 = 80,131.56/x
  3. Step 3: Cross multiply
    267,120.06x = 400,744.89 × 80,131.56
  4. Step 4: Simplify right side
    267,120.06x = 32,112,313,197.73
  5. Step 5: Solve for x
    x = 32,112,313,197.73/267,120.06
  6. Step 6: Final answer
    x = 120,216.78

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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.