Home / 214,147.60-321,223.66-87,755.40

Finding the Fourth Proportional to 214,147.60, 321,223.66 and 87,755.40

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Solution

The fourth proportional to 214,147.60, 321,223.66 and 87,755.40 is: 131,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,147.60 : 321,223.66 = 87,755.40 : x
  2. Step 2: Convert to fraction form
    214,147.60/321,223.66 = 87,755.40/x
  3. Step 3: Cross multiply
    214,147.60x = 321,223.66 × 87,755.40
  4. Step 4: Simplify right side
    214,147.60x = 28,189,110,553.38
  5. Step 5: Solve for x
    x = 28,189,110,553.38/214,147.60
  6. Step 6: Final answer
    x = 131,634.03

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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.