Home / 214,337.35-321,506.12-79,447.81

Finding the Fourth Proportional to 214,337.35, 321,506.12 and 79,447.81

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Solution

The fourth proportional to 214,337.35, 321,506.12 and 79,447.81 is: 119,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,337.35 : 321,506.12 = 79,447.81 : x
  2. Step 2: Convert to fraction form
    214,337.35/321,506.12 = 79,447.81/x
  3. Step 3: Cross multiply
    214,337.35x = 321,506.12 × 79,447.81
  4. Step 4: Simplify right side
    214,337.35x = 25,542,957,135.60
  5. Step 5: Solve for x
    x = 25,542,957,135.60/214,337.35
  6. Step 6: Final answer
    x = 119,171.75

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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.