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Finding the Fourth Proportional to 177,248.54, 244,593.24 and 100,757

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Solution

The fourth proportional to 177,248.54, 244,593.24 and 100,757 is: 139,039.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,248.54 : 244,593.24 = 100,757 : x
  2. Step 2: Convert to fraction form
    177,248.54/244,593.24 = 100,757/x
  3. Step 3: Cross multiply
    177,248.54x = 244,593.24 × 100,757
  4. Step 4: Simplify right side
    177,248.54x = 24,644,481,082.68
  5. Step 5: Solve for x
    x = 24,644,481,082.68/177,248.54
  6. Step 6: Final answer
    x = 139,039.12

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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.