Home / 135,725.27-203,605.11-51,514.83

Finding the Fourth Proportional to 135,725.27, 203,605.11 and 51,514.83

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Solution

The fourth proportional to 135,725.27, 203,605.11 and 51,514.83 is: 77,278.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,725.27 : 203,605.11 = 51,514.83 : x
  2. Step 2: Convert to fraction form
    135,725.27/203,605.11 = 51,514.83/x
  3. Step 3: Cross multiply
    135,725.27x = 203,605.11 × 51,514.83
  4. Step 4: Simplify right side
    135,725.27x = 10,488,682,628.78
  5. Step 5: Solve for x
    x = 10,488,682,628.78/135,725.27
  6. Step 6: Final answer
    x = 77,278.78

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1.5x scale

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.