Home / 252,747.65-379,016.07-102,886.20

Finding the Fourth Proportional to 252,747.65, 379,016.07 and 102,886.20

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Solution

The fourth proportional to 252,747.65, 379,016.07 and 102,886.20 is: 154,286.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,747.65 : 379,016.07 = 102,886.20 : x
  2. Step 2: Convert to fraction form
    252,747.65/379,016.07 = 102,886.20/x
  3. Step 3: Cross multiply
    252,747.65x = 379,016.07 × 102,886.20
  4. Step 4: Simplify right side
    252,747.65x = 38,995,523,181.23
  5. Step 5: Solve for x
    x = 38,995,523,181.23/252,747.65
  6. Step 6: Final answer
    x = 154,286.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.