Home / 239,768.55-330,857.03-132,331.66

Finding the Fourth Proportional to 239,768.55, 330,857.03 and 132,331.66

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Solution

The fourth proportional to 239,768.55, 330,857.03 and 132,331.66 is: 182,604.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,768.55 : 330,857.03 = 132,331.66 : x
  2. Step 2: Convert to fraction form
    239,768.55/330,857.03 = 132,331.66/x
  3. Step 3: Cross multiply
    239,768.55x = 330,857.03 × 132,331.66
  4. Step 4: Simplify right side
    239,768.55x = 43,782,859,010.01
  5. Step 5: Solve for x
    x = 43,782,859,010.01/239,768.55
  6. Step 6: Final answer
    x = 182,604.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.