Home / 144,834.30-199,883.10-80,309.95

Finding the Fourth Proportional to 144,834.30, 199,883.10 and 80,309.95

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Solution

The fourth proportional to 144,834.30, 199,883.10 and 80,309.95 is: 110,834.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,834.30 : 199,883.10 = 80,309.95 : x
  2. Step 2: Convert to fraction form
    144,834.30/199,883.10 = 80,309.95/x
  3. Step 3: Cross multiply
    144,834.30x = 199,883.10 × 80,309.95
  4. Step 4: Simplify right side
    144,834.30x = 16,052,601,766.85
  5. Step 5: Solve for x
    x = 16,052,601,766.85/144,834.30
  6. Step 6: Final answer
    x = 110,834.26

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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.