Home / 150,694.28-207,958.38-82,711.70

Finding the Fourth Proportional to 150,694.28, 207,958.38 and 82,711.70

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Solution

The fourth proportional to 150,694.28, 207,958.38 and 82,711.70 is: 114,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,694.28 : 207,958.38 = 82,711.70 : x
  2. Step 2: Convert to fraction form
    150,694.28/207,958.38 = 82,711.70/x
  3. Step 3: Cross multiply
    150,694.28x = 207,958.38 × 82,711.70
  4. Step 4: Simplify right side
    150,694.28x = 17,200,591,139.05
  5. Step 5: Solve for x
    x = 17,200,591,139.05/150,694.28
  6. Step 6: Final answer
    x = 114,142.30

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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.