Home / 218,221.55-327,321.78-76,061.09

Finding the Fourth Proportional to 218,221.55, 327,321.78 and 76,061.09

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Solution

The fourth proportional to 218,221.55, 327,321.78 and 76,061.09 is: 114,087.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,221.55 : 327,321.78 = 76,061.09 : x
  2. Step 2: Convert to fraction form
    218,221.55/327,321.78 = 76,061.09/x
  3. Step 3: Cross multiply
    218,221.55x = 327,321.78 × 76,061.09
  4. Step 4: Simplify right side
    218,221.55x = 24,896,449,730.93
  5. Step 5: Solve for x
    x = 24,896,449,730.93/218,221.55
  6. Step 6: Final answer
    x = 114,087.95

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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.