Home / 182,781.38-252,261.78-102,213.40

Finding the Fourth Proportional to 182,781.38, 252,261.78 and 102,213.40

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Solution

The fourth proportional to 182,781.38, 252,261.78 and 102,213.40 is: 141,067.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,781.38 : 252,261.78 = 102,213.40 : x
  2. Step 2: Convert to fraction form
    182,781.38/252,261.78 = 102,213.40/x
  3. Step 3: Cross multiply
    182,781.38x = 252,261.78 × 102,213.40
  4. Step 4: Simplify right side
    182,781.38x = 25,784,534,223.85
  5. Step 5: Solve for x
    x = 25,784,534,223.85/182,781.38
  6. Step 6: Final answer
    x = 141,067.62

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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.