Home / 144,685.28-199,656-80,150.14

Finding the Fourth Proportional to 144,685.28, 199,656 and 80,150.14

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Solution

The fourth proportional to 144,685.28, 199,656 and 80,150.14 is: 110,601.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,685.28 : 199,656 = 80,150.14 : x
  2. Step 2: Convert to fraction form
    144,685.28/199,656 = 80,150.14/x
  3. Step 3: Cross multiply
    144,685.28x = 199,656 × 80,150.14
  4. Step 4: Simplify right side
    144,685.28x = 16,002,456,351.84
  5. Step 5: Solve for x
    x = 16,002,456,351.84/144,685.28
  6. Step 6: Final answer
    x = 110,601.83

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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.