Home / 220,067.10-329,676.21-131,391.54

Finding the Fourth Proportional to 220,067.10, 329,676.21 and 131,391.54

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Solution

The fourth proportional to 220,067.10, 329,676.21 and 131,391.54 is: 196,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,067.10 : 329,676.21 = 131,391.54 : x
  2. Step 2: Convert to fraction form
    220,067.10/329,676.21 = 131,391.54/x
  3. Step 3: Cross multiply
    220,067.10x = 329,676.21 × 131,391.54
  4. Step 4: Simplify right side
    220,067.10x = 43,316,664,933.26
  5. Step 5: Solve for x
    x = 43,316,664,933.26/220,067.10
  6. Step 6: Final answer
    x = 196,833.90

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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.