Home / 150,212.28-207,286.70-82,227.56

Finding the Fourth Proportional to 150,212.28, 207,286.70 and 82,227.56

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Solution

The fourth proportional to 150,212.28, 207,286.70 and 82,227.56 is: 113,470.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,212.28 : 207,286.70 = 82,227.56 : x
  2. Step 2: Convert to fraction form
    150,212.28/207,286.70 = 82,227.56/x
  3. Step 3: Cross multiply
    150,212.28x = 207,286.70 × 82,227.56
  4. Step 4: Simplify right side
    150,212.28x = 17,044,679,561.45
  5. Step 5: Solve for x
    x = 17,044,679,561.45/150,212.28
  6. Step 6: Final answer
    x = 113,470.61

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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.