Home / 214,161.40-321,061.38-135,101.44

Finding the Fourth Proportional to 214,161.40, 321,061.38 and 135,101.44

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Solution

The fourth proportional to 214,161.40, 321,061.38 and 135,101.44 is: 202,538.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,161.40 : 321,061.38 = 135,101.44 : x
  2. Step 2: Convert to fraction form
    214,161.40/321,061.38 = 135,101.44/x
  3. Step 3: Cross multiply
    214,161.40x = 321,061.38 × 135,101.44
  4. Step 4: Simplify right side
    214,161.40x = 43,375,854,766.39
  5. Step 5: Solve for x
    x = 43,375,854,766.39/214,161.40
  6. Step 6: Final answer
    x = 202,538.15

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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.