Home / 144,329.88-199,179.39-80,667.84

Finding the Fourth Proportional to 144,329.88, 199,179.39 and 80,667.84

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Solution

The fourth proportional to 144,329.88, 199,179.39 and 80,667.84 is: 111,323.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,329.88 : 199,179.39 = 80,667.84 : x
  2. Step 2: Convert to fraction form
    144,329.88/199,179.39 = 80,667.84/x
  3. Step 3: Cross multiply
    144,329.88x = 199,179.39 × 80,667.84
  4. Step 4: Simplify right side
    144,329.88x = 16,067,371,163.82
  5. Step 5: Solve for x
    x = 16,067,371,163.82/144,329.88
  6. Step 6: Final answer
    x = 111,323.94

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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.