Home / 120,524.20-180,821.66-53,949.51

Finding the Fourth Proportional to 120,524.20, 180,821.66 and 53,949.51

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Solution

The fourth proportional to 120,524.20, 180,821.66 and 53,949.51 is: 80,940.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,524.20 : 180,821.66 = 53,949.51 : x
  2. Step 2: Convert to fraction form
    120,524.20/180,821.66 = 53,949.51/x
  3. Step 3: Cross multiply
    120,524.20x = 180,821.66 × 53,949.51
  4. Step 4: Simplify right side
    120,524.20x = 9,755,239,684.64
  5. Step 5: Solve for x
    x = 9,755,239,684.64/120,524.20
  6. Step 6: Final answer
    x = 80,940.09

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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.