Home / 177,126.48-244,375.92-100,636.56

Finding the Fourth Proportional to 177,126.48, 244,375.92 and 100,636.56

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Solution

The fourth proportional to 177,126.48, 244,375.92 and 100,636.56 is: 138,845.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,126.48 : 244,375.92 = 100,636.56 : x
  2. Step 2: Convert to fraction form
    177,126.48/244,375.92 = 100,636.56/x
  3. Step 3: Cross multiply
    177,126.48x = 244,375.92 × 100,636.56
  4. Step 4: Simplify right side
    177,126.48x = 24,593,151,935.64
  5. Step 5: Solve for x
    x = 24,593,151,935.64/177,126.48
  6. Step 6: Final answer
    x = 138,845.15

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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.