Home / 252,942.68-349,067.94-139,772.84

Finding the Fourth Proportional to 252,942.68, 349,067.94 and 139,772.84

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Solution

The fourth proportional to 252,942.68, 349,067.94 and 139,772.84 is: 192,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,942.68 : 349,067.94 = 139,772.84 : x
  2. Step 2: Convert to fraction form
    252,942.68/349,067.94 = 139,772.84/x
  3. Step 3: Cross multiply
    252,942.68x = 349,067.94 × 139,772.84
  4. Step 4: Simplify right side
    252,942.68x = 48,790,217,326.75
  5. Step 5: Solve for x
    x = 48,790,217,326.75/252,942.68
  6. Step 6: Final answer
    x = 192,890.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.