Home / 218,141.32-327,212.07-68,393.27

Finding the Fourth Proportional to 218,141.32, 327,212.07 and 68,393.27

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Solution

The fourth proportional to 218,141.32, 327,212.07 and 68,393.27 is: 102,589.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,141.32 : 327,212.07 = 68,393.27 : x
  2. Step 2: Convert to fraction form
    218,141.32/327,212.07 = 68,393.27/x
  3. Step 3: Cross multiply
    218,141.32x = 327,212.07 × 68,393.27
  4. Step 4: Simplify right side
    218,141.32x = 22,379,103,108.80
  5. Step 5: Solve for x
    x = 22,379,103,108.80/218,141.32
  6. Step 6: Final answer
    x = 102,589.93

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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.