Home / 214,083.58-321,170.43-80,960.86

Finding the Fourth Proportional to 214,083.58, 321,170.43 and 80,960.86

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Solution

The fourth proportional to 214,083.58, 321,170.43 and 80,960.86 is: 121,458.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,083.58 : 321,170.43 = 80,960.86 : x
  2. Step 2: Convert to fraction form
    214,083.58/321,170.43 = 80,960.86/x
  3. Step 3: Cross multiply
    214,083.58x = 321,170.43 × 80,960.86
  4. Step 4: Simplify right side
    214,083.58x = 26,002,234,219.37
  5. Step 5: Solve for x
    x = 26,002,234,219.37/214,083.58
  6. Step 6: Final answer
    x = 121,458.33

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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.