Home / 129,556.32-194,360.60-54,676.54

Finding the Fourth Proportional to 129,556.32, 194,360.60 and 54,676.54

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Solution

The fourth proportional to 129,556.32, 194,360.60 and 54,676.54 is: 82,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,556.32 : 194,360.60 = 54,676.54 : x
  2. Step 2: Convert to fraction form
    129,556.32/194,360.60 = 54,676.54/x
  3. Step 3: Cross multiply
    129,556.32x = 194,360.60 × 54,676.54
  4. Step 4: Simplify right side
    129,556.32x = 10,626,965,120.32
  5. Step 5: Solve for x
    x = 10,626,965,120.32/129,556.32
  6. Step 6: Final answer
    x = 82,025.83

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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.