Home / 149,652.09-206,524.24-81,673.43

Finding the Fourth Proportional to 149,652.09, 206,524.24 and 81,673.43

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Solution

The fourth proportional to 149,652.09, 206,524.24 and 81,673.43 is: 112,711.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,652.09 : 206,524.24 = 81,673.43 : x
  2. Step 2: Convert to fraction form
    149,652.09/206,524.24 = 81,673.43/x
  3. Step 3: Cross multiply
    149,652.09x = 206,524.24 × 81,673.43
  4. Step 4: Simplify right side
    149,652.09x = 16,867,543,371.07
  5. Step 5: Solve for x
    x = 16,867,543,371.07/149,652.09
  6. Step 6: Final answer
    x = 112,711.71

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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.