Home / 214,308.06-321,151.05-120,613.74

Finding the Fourth Proportional to 214,308.06, 321,151.05 and 120,613.74

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Solution

The fourth proportional to 214,308.06, 321,151.05 and 120,613.74 is: 180,745.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,308.06 : 321,151.05 = 120,613.74 : x
  2. Step 2: Convert to fraction form
    214,308.06/321,151.05 = 120,613.74/x
  3. Step 3: Cross multiply
    214,308.06x = 321,151.05 × 120,613.74
  4. Step 4: Simplify right side
    214,308.06x = 38,735,229,245.43
  5. Step 5: Solve for x
    x = 38,735,229,245.43/214,308.06
  6. Step 6: Final answer
    x = 180,745.55

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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.