Home / 149,823.50-206,757.13-81,841.41

Finding the Fourth Proportional to 149,823.50, 206,757.13 and 81,841.41

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Solution

The fourth proportional to 149,823.50, 206,757.13 and 81,841.41 is: 112,941.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,823.50 : 206,757.13 = 81,841.41 : x
  2. Step 2: Convert to fraction form
    149,823.50/206,757.13 = 81,841.41/x
  3. Step 3: Cross multiply
    149,823.50x = 206,757.13 × 81,841.41
  4. Step 4: Simplify right side
    149,823.50x = 16,921,295,046.75
  5. Step 5: Solve for x
    x = 16,921,295,046.75/149,823.50
  6. Step 6: Final answer
    x = 112,941.53

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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.