Home / 214,135.13-321,177.85-56,375.89

Finding the Fourth Proportional to 214,135.13, 321,177.85 and 56,375.89

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Solution

The fourth proportional to 214,135.13, 321,177.85 and 56,375.89 is: 84,557.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,135.13 : 321,177.85 = 56,375.89 : x
  2. Step 2: Convert to fraction form
    214,135.13/321,177.85 = 56,375.89/x
  3. Step 3: Cross multiply
    214,135.13x = 321,177.85 × 56,375.89
  4. Step 4: Simplify right side
    214,135.13x = 18,106,687,142.04
  5. Step 5: Solve for x
    x = 18,106,687,142.04/214,135.13
  6. Step 6: Final answer
    x = 84,557.29

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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.