Home / 218,438.35-327,694.88-100,119.83

Finding the Fourth Proportional to 218,438.35, 327,694.88 and 100,119.83

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Solution

The fourth proportional to 218,438.35, 327,694.88 and 100,119.83 is: 150,196.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,438.35 : 327,694.88 = 100,119.83 : x
  2. Step 2: Convert to fraction form
    218,438.35/327,694.88 = 100,119.83/x
  3. Step 3: Cross multiply
    218,438.35x = 327,694.88 × 100,119.83
  4. Step 4: Simplify right side
    218,438.35x = 32,808,754,289.30
  5. Step 5: Solve for x
    x = 32,808,754,289.30/218,438.35
  6. Step 6: Final answer
    x = 150,196.86

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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.