Home / 218,219.52-327,184.28-85,112.22

Finding the Fourth Proportional to 218,219.52, 327,184.28 and 85,112.22

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Solution

The fourth proportional to 218,219.52, 327,184.28 and 85,112.22 is: 127,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,219.52 : 327,184.28 = 85,112.22 : x
  2. Step 2: Convert to fraction form
    218,219.52/327,184.28 = 85,112.22/x
  3. Step 3: Cross multiply
    218,219.52x = 327,184.28 × 85,112.22
  4. Step 4: Simplify right side
    218,219.52x = 27,847,380,419.90
  5. Step 5: Solve for x
    x = 27,847,380,419.90/218,219.52
  6. Step 6: Final answer
    x = 127,611.78

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1.5x scale

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.