Home / 192,003.78-264,965.38-107,120.86

Finding the Fourth Proportional to 192,003.78, 264,965.38 and 107,120.86

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Solution

The fourth proportional to 192,003.78, 264,965.38 and 107,120.86 is: 147,826.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,003.78 : 264,965.38 = 107,120.86 : x
  2. Step 2: Convert to fraction form
    192,003.78/264,965.38 = 107,120.86/x
  3. Step 3: Cross multiply
    192,003.78x = 264,965.38 × 107,120.86
  4. Step 4: Simplify right side
    192,003.78x = 28,383,319,375.83
  5. Step 5: Solve for x
    x = 28,383,319,375.83/192,003.78
  6. Step 6: Final answer
    x = 147,826.88

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1.5x scale

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.