Home / 150,286.62-207,359.94-89,001.86

Finding the Fourth Proportional to 150,286.62, 207,359.94 and 89,001.86

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Solution

The fourth proportional to 150,286.62, 207,359.94 and 89,001.86 is: 122,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,286.62 : 207,359.94 = 89,001.86 : x
  2. Step 2: Convert to fraction form
    150,286.62/207,359.94 = 89,001.86/x
  3. Step 3: Cross multiply
    150,286.62x = 207,359.94 × 89,001.86
  4. Step 4: Simplify right side
    150,286.62x = 18,455,420,349.49
  5. Step 5: Solve for x
    x = 18,455,420,349.49/150,286.62
  6. Step 6: Final answer
    x = 122,801.49

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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.