Home / 129,815.79-194,889.77-110,218.86

Finding the Fourth Proportional to 129,815.79, 194,889.77 and 110,218.86

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Solution

The fourth proportional to 129,815.79, 194,889.77 and 110,218.86 is: 165,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,815.79 : 194,889.77 = 110,218.86 : x
  2. Step 2: Convert to fraction form
    129,815.79/194,889.77 = 110,218.86/x
  3. Step 3: Cross multiply
    129,815.79x = 194,889.77 × 110,218.86
  4. Step 4: Simplify right side
    129,815.79x = 21,480,527,723.97
  5. Step 5: Solve for x
    x = 21,480,527,723.97/129,815.79
  6. Step 6: Final answer
    x = 165,469.30

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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.