Home / 218,104.31-327,208.85-75,928.66

Finding the Fourth Proportional to 218,104.31, 327,208.85 and 75,928.66

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Solution

The fourth proportional to 218,104.31, 327,208.85 and 75,928.66 is: 113,911.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,104.31 : 327,208.85 = 75,928.66 : x
  2. Step 2: Convert to fraction form
    218,104.31/327,208.85 = 75,928.66/x
  3. Step 3: Cross multiply
    218,104.31x = 327,208.85 × 75,928.66
  4. Step 4: Simplify right side
    218,104.31x = 24,844,529,520.64
  5. Step 5: Solve for x
    x = 24,844,529,520.64/218,104.31
  6. Step 6: Final answer
    x = 113,911.23

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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.