Home / 177,470.38-244,905.84-100,987.78

Finding the Fourth Proportional to 177,470.38, 244,905.84 and 100,987.78

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Solution

The fourth proportional to 177,470.38, 244,905.84 and 100,987.78 is: 139,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,470.38 : 244,905.84 = 100,987.78 : x
  2. Step 2: Convert to fraction form
    177,470.38/244,905.84 = 100,987.78/x
  3. Step 3: Cross multiply
    177,470.38x = 244,905.84 × 100,987.78
  4. Step 4: Simplify right side
    177,470.38x = 24,732,497,090.64
  5. Step 5: Solve for x
    x = 24,732,497,090.64/177,470.38
  6. Step 6: Final answer
    x = 139,361.27

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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.