Home / 149,524.89-206,349.30-81,545.57

Finding the Fourth Proportional to 149,524.89, 206,349.30 and 81,545.57

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Solution

The fourth proportional to 149,524.89, 206,349.30 and 81,545.57 is: 112,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,524.89 : 206,349.30 = 81,545.57 : x
  2. Step 2: Convert to fraction form
    149,524.89/206,349.30 = 81,545.57/x
  3. Step 3: Cross multiply
    149,524.89x = 206,349.30 × 81,545.57
  4. Step 4: Simplify right side
    149,524.89x = 16,826,870,255.85
  5. Step 5: Solve for x
    x = 16,826,870,255.85/149,524.89
  6. Step 6: Final answer
    x = 112,535.58

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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.