Home / 218,126.31-327,193.57-68,363.29

Finding the Fourth Proportional to 218,126.31, 327,193.57 and 68,363.29

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Solution

The fourth proportional to 218,126.31, 327,193.57 and 68,363.29 is: 102,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,126.31 : 327,193.57 = 68,363.29 : x
  2. Step 2: Convert to fraction form
    218,126.31/327,193.57 = 68,363.29/x
  3. Step 3: Cross multiply
    218,126.31x = 327,193.57 × 68,363.29
  4. Step 4: Simplify right side
    218,126.31x = 22,368,028,179.52
  5. Step 5: Solve for x
    x = 22,368,028,179.52/218,126.31
  6. Step 6: Final answer
    x = 102,546.22

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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.