Home / 206,745.20-285,339.23-126,219.41

Finding the Fourth Proportional to 206,745.20, 285,339.23 and 126,219.41

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Solution

The fourth proportional to 206,745.20, 285,339.23 and 126,219.41 is: 174,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,745.20 : 285,339.23 = 126,219.41 : x
  2. Step 2: Convert to fraction form
    206,745.20/285,339.23 = 126,219.41/x
  3. Step 3: Cross multiply
    206,745.20x = 285,339.23 × 126,219.41
  4. Step 4: Simplify right side
    206,745.20x = 36,015,348,149.31
  5. Step 5: Solve for x
    x = 36,015,348,149.31/206,745.20
  6. Step 6: Final answer
    x = 174,201.61

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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.