Home / 185,414.58-255,869.82-100,531.44

Finding the Fourth Proportional to 185,414.58, 255,869.82 and 100,531.44

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Solution

The fourth proportional to 185,414.58, 255,869.82 and 100,531.44 is: 138,732.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,414.58 : 255,869.82 = 100,531.44 : x
  2. Step 2: Convert to fraction form
    185,414.58/255,869.82 = 100,531.44/x
  3. Step 3: Cross multiply
    185,414.58x = 255,869.82 × 100,531.44
  4. Step 4: Simplify right side
    185,414.58x = 25,722,961,457.14
  5. Step 5: Solve for x
    x = 25,722,961,457.14/185,414.58
  6. Step 6: Final answer
    x = 138,732.14

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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.