Home / 214,065.43-321,098.91-71,906.65

Finding the Fourth Proportional to 214,065.43, 321,098.91 and 71,906.65

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Solution

The fourth proportional to 214,065.43, 321,098.91 and 71,906.65 is: 107,860.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,065.43 : 321,098.91 = 71,906.65 : x
  2. Step 2: Convert to fraction form
    214,065.43/321,098.91 = 71,906.65/x
  3. Step 3: Cross multiply
    214,065.43x = 321,098.91 × 71,906.65
  4. Step 4: Simplify right side
    214,065.43x = 23,089,146,936.75
  5. Step 5: Solve for x
    x = 23,089,146,936.75/214,065.43
  6. Step 6: Final answer
    x = 107,860.23

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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.