Home / 136,251.92-188,031.24-75,826.64

Finding the Fourth Proportional to 136,251.92, 188,031.24 and 75,826.64

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Solution

The fourth proportional to 136,251.92, 188,031.24 and 75,826.64 is: 104,642.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,251.92 : 188,031.24 = 75,826.64 : x
  2. Step 2: Convert to fraction form
    136,251.92/188,031.24 = 75,826.64/x
  3. Step 3: Cross multiply
    136,251.92x = 188,031.24 × 75,826.64
  4. Step 4: Simplify right side
    136,251.92x = 14,257,777,144.23
  5. Step 5: Solve for x
    x = 14,257,777,144.23/136,251.92
  6. Step 6: Final answer
    x = 104,642.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.