Home / 214,134.85-321,092.92-79,192.09

Finding the Fourth Proportional to 214,134.85, 321,092.92 and 79,192.09

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Solution

The fourth proportional to 214,134.85, 321,092.92 and 79,192.09 is: 118,747.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,134.85 : 321,092.92 = 79,192.09 : x
  2. Step 2: Convert to fraction form
    214,134.85/321,092.92 = 79,192.09/x
  3. Step 3: Cross multiply
    214,134.85x = 321,092.92 × 79,192.09
  4. Step 4: Simplify right side
    214,134.85x = 25,428,019,419.00
  5. Step 5: Solve for x
    x = 25,428,019,419.00/214,134.85
  6. Step 6: Final answer
    x = 118,747.69

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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.