Home / 214,382.64-321,576.68-81,227.13

Finding the Fourth Proportional to 214,382.64, 321,576.68 and 81,227.13

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Solution

The fourth proportional to 214,382.64, 321,576.68 and 81,227.13 is: 121,841.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,382.64 : 321,576.68 = 81,227.13 : x
  2. Step 2: Convert to fraction form
    214,382.64/321,576.68 = 81,227.13/x
  3. Step 3: Cross multiply
    214,382.64x = 321,576.68 × 81,227.13
  4. Step 4: Simplify right side
    214,382.64x = 26,120,750,791.33
  5. Step 5: Solve for x
    x = 26,120,750,791.33/214,382.64
  6. Step 6: Final answer
    x = 121,841.73

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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.