Home / 135,723.27-203,602.11-51,512.83

Finding the Fourth Proportional to 135,723.27, 203,602.11 and 51,512.83

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Solution

The fourth proportional to 135,723.27, 203,602.11 and 51,512.83 is: 77,275.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,723.27 : 203,602.11 = 51,512.83 : x
  2. Step 2: Convert to fraction form
    135,723.27/203,602.11 = 51,512.83/x
  3. Step 3: Cross multiply
    135,723.27x = 203,602.11 × 51,512.83
  4. Step 4: Simplify right side
    135,723.27x = 10,488,120,880.07
  5. Step 5: Solve for x
    x = 10,488,120,880.07/135,723.27
  6. Step 6: Final answer
    x = 77,275.78

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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.