Home / 144,843.03-199,879.97-80,311.95

Finding the Fourth Proportional to 144,843.03, 199,879.97 and 80,311.95

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Solution

The fourth proportional to 144,843.03, 199,879.97 and 80,311.95 is: 110,828.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,843.03 : 199,879.97 = 80,311.95 : x
  2. Step 2: Convert to fraction form
    144,843.03/199,879.97 = 80,311.95/x
  3. Step 3: Cross multiply
    144,843.03x = 199,879.97 × 80,311.95
  4. Step 4: Simplify right side
    144,843.03x = 16,052,749,755.08
  5. Step 5: Solve for x
    x = 16,052,749,755.08/144,843.03
  6. Step 6: Final answer
    x = 110,828.60

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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.