Home / 252,882.35-349,001.78-138,178.43

Finding the Fourth Proportional to 252,882.35, 349,001.78 and 138,178.43

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Solution

The fourth proportional to 252,882.35, 349,001.78 and 138,178.43 is: 190,699.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,882.35 : 349,001.78 = 138,178.43 : x
  2. Step 2: Convert to fraction form
    252,882.35/349,001.78 = 138,178.43/x
  3. Step 3: Cross multiply
    252,882.35x = 349,001.78 × 138,178.43
  4. Step 4: Simplify right side
    252,882.35x = 48,224,515,591.70
  5. Step 5: Solve for x
    x = 48,224,515,591.70/252,882.35
  6. Step 6: Final answer
    x = 190,699.42

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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.