Home / 214,081.58-321,167.43-80,958.86

Finding the Fourth Proportional to 214,081.58, 321,167.43 and 80,958.86

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Solution

The fourth proportional to 214,081.58, 321,167.43 and 80,958.86 is: 121,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,081.58 : 321,167.43 = 80,958.86 : x
  2. Step 2: Convert to fraction form
    214,081.58/321,167.43 = 80,958.86/x
  3. Step 3: Cross multiply
    214,081.58x = 321,167.43 × 80,958.86
  4. Step 4: Simplify right side
    214,081.58x = 26,001,349,001.93
  5. Step 5: Solve for x
    x = 26,001,349,001.93/214,081.58
  6. Step 6: Final answer
    x = 121,455.33

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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.