Home / 215,959.91-323,939.88-110,711.75

Finding the Fourth Proportional to 215,959.91, 323,939.88 and 110,711.75

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Solution

The fourth proportional to 215,959.91, 323,939.88 and 110,711.75 is: 166,067.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,959.91 : 323,939.88 = 110,711.75 : x
  2. Step 2: Convert to fraction form
    215,959.91/323,939.88 = 110,711.75/x
  3. Step 3: Cross multiply
    215,959.91x = 323,939.88 × 110,711.75
  4. Step 4: Simplify right side
    215,959.91x = 35,863,949,389.89
  5. Step 5: Solve for x
    x = 35,863,949,389.89/215,959.91
  6. Step 6: Final answer
    x = 166,067.63

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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.