Home / 199,175.82-274,859.09-108,532.42

Finding the Fourth Proportional to 199,175.82, 274,859.09 and 108,532.42

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Solution

The fourth proportional to 199,175.82, 274,859.09 and 108,532.42 is: 149,772.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,175.82 : 274,859.09 = 108,532.42 : x
  2. Step 2: Convert to fraction form
    199,175.82/274,859.09 = 108,532.42/x
  3. Step 3: Cross multiply
    199,175.82x = 274,859.09 × 108,532.42
  4. Step 4: Simplify right side
    199,175.82x = 29,831,122,196.70
  5. Step 5: Solve for x
    x = 29,831,122,196.70/199,175.82
  6. Step 6: Final answer
    x = 149,772.81

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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.