Home / 140,760.39-194,201.08-80,287.52

Finding the Fourth Proportional to 140,760.39, 194,201.08 and 80,287.52

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Solution

The fourth proportional to 140,760.39, 194,201.08 and 80,287.52 is: 110,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,760.39 : 194,201.08 = 80,287.52 : x
  2. Step 2: Convert to fraction form
    140,760.39/194,201.08 = 80,287.52/x
  3. Step 3: Cross multiply
    140,760.39x = 194,201.08 × 80,287.52
  4. Step 4: Simplify right side
    140,760.39x = 15,591,921,922.80
  5. Step 5: Solve for x
    x = 15,591,921,922.80/140,760.39
  6. Step 6: Final answer
    x = 110,769.24

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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.