Home / 214,135.35-321,093.68-79,192.59

Finding the Fourth Proportional to 214,135.35, 321,093.68 and 79,192.59

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Solution

The fourth proportional to 214,135.35, 321,093.68 and 79,192.59 is: 118,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,135.35 : 321,093.68 = 79,192.59 : x
  2. Step 2: Convert to fraction form
    214,135.35/321,093.68 = 79,192.59/x
  3. Step 3: Cross multiply
    214,135.35x = 321,093.68 × 79,192.59
  4. Step 4: Simplify right side
    214,135.35x = 25,428,239,755.87
  5. Step 5: Solve for x
    x = 25,428,239,755.87/214,135.35
  6. Step 6: Final answer
    x = 118,748.44

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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.