Home / 144,579.06-199,517.72-80,917.38

Finding the Fourth Proportional to 144,579.06, 199,517.72 and 80,917.38

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Solution

The fourth proportional to 144,579.06, 199,517.72 and 80,917.38 is: 111,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,579.06 : 199,517.72 = 80,917.38 : x
  2. Step 2: Convert to fraction form
    144,579.06/199,517.72 = 80,917.38/x
  3. Step 3: Cross multiply
    144,579.06x = 199,517.72 × 80,917.38
  4. Step 4: Simplify right side
    144,579.06x = 16,144,450,761.39
  5. Step 5: Solve for x
    x = 16,144,450,761.39/144,579.06
  6. Step 6: Final answer
    x = 111,665.21

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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.