Home / 135,906.88-203,935.92-51,723.04

Finding the Fourth Proportional to 135,906.88, 203,935.92 and 51,723.04

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Solution

The fourth proportional to 135,906.88, 203,935.92 and 51,723.04 is: 77,613.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,906.88 : 203,935.92 = 51,723.04 : x
  2. Step 2: Convert to fraction form
    135,906.88/203,935.92 = 51,723.04/x
  3. Step 3: Cross multiply
    135,906.88x = 203,935.92 × 51,723.04
  4. Step 4: Simplify right side
    135,906.88x = 10,548,185,747.60
  5. Step 5: Solve for x
    x = 10,548,185,747.60/135,906.88
  6. Step 6: Final answer
    x = 77,613.33

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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.