Home / 137,701.06-206,385.49-71,104.88

Finding the Fourth Proportional to 137,701.06, 206,385.49 and 71,104.88

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Solution

The fourth proportional to 137,701.06, 206,385.49 and 71,104.88 is: 106,571.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,701.06 : 206,385.49 = 71,104.88 : x
  2. Step 2: Convert to fraction form
    137,701.06/206,385.49 = 71,104.88/x
  3. Step 3: Cross multiply
    137,701.06x = 206,385.49 × 71,104.88
  4. Step 4: Simplify right side
    137,701.06x = 14,675,015,660.63
  5. Step 5: Solve for x
    x = 14,675,015,660.63/137,701.06
  6. Step 6: Final answer
    x = 106,571.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.