Home / 214,864.80-321,951.60-135,837.60

Finding the Fourth Proportional to 214,864.80, 321,951.60 and 135,837.60

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Solution

The fourth proportional to 214,864.80, 321,951.60 and 135,837.60 is: 203,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,864.80 : 321,951.60 = 135,837.60 : x
  2. Step 2: Convert to fraction form
    214,864.80/321,951.60 = 135,837.60/x
  3. Step 3: Cross multiply
    214,864.80x = 321,951.60 × 135,837.60
  4. Step 4: Simplify right side
    214,864.80x = 43,733,132,660.16
  5. Step 5: Solve for x
    x = 43,733,132,660.16/214,864.80
  6. Step 6: Final answer
    x = 203,537.91

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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.