Home / 185,414.80-255,871.02-100,531.24

Finding the Fourth Proportional to 185,414.80, 255,871.02 and 100,531.24

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Solution

The fourth proportional to 185,414.80, 255,871.02 and 100,531.24 is: 138,732.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,414.80 : 255,871.02 = 100,531.24 : x
  2. Step 2: Convert to fraction form
    185,414.80/255,871.02 = 100,531.24/x
  3. Step 3: Cross multiply
    185,414.80x = 255,871.02 × 100,531.24
  4. Step 4: Simplify right side
    185,414.80x = 25,723,030,920.66
  5. Step 5: Solve for x
    x = 25,723,030,920.66/185,414.80
  6. Step 6: Final answer
    x = 138,732.35

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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.