Home / 214,085.74-321,327.90-108,983.38

Finding the Fourth Proportional to 214,085.74, 321,327.90 and 108,983.38

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Solution

The fourth proportional to 214,085.74, 321,327.90 and 108,983.38 is: 163,576.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,085.74 : 321,327.90 = 108,983.38 : x
  2. Step 2: Convert to fraction form
    214,085.74/321,327.90 = 108,983.38/x
  3. Step 3: Cross multiply
    214,085.74x = 321,327.90 × 108,983.38
  4. Step 4: Simplify right side
    214,085.74x = 35,019,400,630.30
  5. Step 5: Solve for x
    x = 35,019,400,630.30/214,085.74
  6. Step 6: Final answer
    x = 163,576.52

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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.