Home / 214,180.38-321,268.25-87,792.45

Finding the Fourth Proportional to 214,180.38, 321,268.25 and 87,792.45

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Solution

The fourth proportional to 214,180.38, 321,268.25 and 87,792.45 is: 131,687.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,180.38 : 321,268.25 = 87,792.45 : x
  2. Step 2: Convert to fraction form
    214,180.38/321,268.25 = 87,792.45/x
  3. Step 3: Cross multiply
    214,180.38x = 321,268.25 × 87,792.45
  4. Step 4: Simplify right side
    214,180.38x = 28,204,926,774.71
  5. Step 5: Solve for x
    x = 28,204,926,774.71/214,180.38
  6. Step 6: Final answer
    x = 131,687.72

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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.