Home / 144,028.85-198,759.94-80,366.65

Finding the Fourth Proportional to 144,028.85, 198,759.94 and 80,366.65

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Solution

The fourth proportional to 144,028.85, 198,759.94 and 80,366.65 is: 110,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,028.85 : 198,759.94 = 80,366.65 : x
  2. Step 2: Convert to fraction form
    144,028.85/198,759.94 = 80,366.65/x
  3. Step 3: Cross multiply
    144,028.85x = 198,759.94 × 80,366.65
  4. Step 4: Simplify right side
    144,028.85x = 15,973,669,834.18
  5. Step 5: Solve for x
    x = 15,973,669,834.18/144,028.85
  6. Step 6: Final answer
    x = 110,906.05

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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.