Home / 177,469.38-244,904.46-100,986.78

Finding the Fourth Proportional to 177,469.38, 244,904.46 and 100,986.78

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Solution

The fourth proportional to 177,469.38, 244,904.46 and 100,986.78 is: 139,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,469.38 : 244,904.46 = 100,986.78 : x
  2. Step 2: Convert to fraction form
    177,469.38/244,904.46 = 100,986.78/x
  3. Step 3: Cross multiply
    177,469.38x = 244,904.46 × 100,986.78
  4. Step 4: Simplify right side
    177,469.38x = 24,732,112,823.04
  5. Step 5: Solve for x
    x = 24,732,112,823.04/177,469.38
  6. Step 6: Final answer
    x = 139,359.89

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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.