Home / 218,079.28-327,118.82-68,331.34

Finding the Fourth Proportional to 218,079.28, 327,118.82 and 68,331.34

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Solution

The fourth proportional to 218,079.28, 327,118.82 and 68,331.34 is: 102,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,079.28 : 327,118.82 = 68,331.34 : x
  2. Step 2: Convert to fraction form
    218,079.28/327,118.82 = 68,331.34/x
  3. Step 3: Cross multiply
    218,079.28x = 327,118.82 × 68,331.34
  4. Step 4: Simplify right side
    218,079.28x = 22,352,466,150.37
  5. Step 5: Solve for x
    x = 22,352,466,150.37/218,079.28
  6. Step 6: Final answer
    x = 102,496.97

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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.