Home / 156,942.30-235,067.85-109,940.70

Finding the Fourth Proportional to 156,942.30, 235,067.85 and 109,940.70

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Solution

The fourth proportional to 156,942.30, 235,067.85 and 109,940.70 is: 164,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,942.30 : 235,067.85 = 109,940.70 : x
  2. Step 2: Convert to fraction form
    156,942.30/235,067.85 = 109,940.70/x
  3. Step 3: Cross multiply
    156,942.30x = 235,067.85 × 109,940.70
  4. Step 4: Simplify right side
    156,942.30x = 25,843,523,976.50
  5. Step 5: Solve for x
    x = 25,843,523,976.50/156,942.30
  6. Step 6: Final answer
    x = 164,668.95

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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.