Home / 144,339.94-199,195.20-80,677.69

Finding the Fourth Proportional to 144,339.94, 199,195.20 and 80,677.69

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Solution

The fourth proportional to 144,339.94, 199,195.20 and 80,677.69 is: 111,338.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,339.94 : 199,195.20 = 80,677.69 : x
  2. Step 2: Convert to fraction form
    144,339.94/199,195.20 = 80,677.69/x
  3. Step 3: Cross multiply
    144,339.94x = 199,195.20 × 80,677.69
  4. Step 4: Simplify right side
    144,339.94x = 16,070,608,097.10
  5. Step 5: Solve for x
    x = 16,070,608,097.10/144,339.94
  6. Step 6: Final answer
    x = 111,338.61

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1.5x scale

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.