Home / 144,237.28-199,046.96-79,704.72

Finding the Fourth Proportional to 144,237.28, 199,046.96 and 79,704.72

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Solution

The fourth proportional to 144,237.28, 199,046.96 and 79,704.72 is: 109,992.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,237.28 : 199,046.96 = 79,704.72 : x
  2. Step 2: Convert to fraction form
    144,237.28/199,046.96 = 79,704.72/x
  3. Step 3: Cross multiply
    144,237.28x = 199,046.96 × 79,704.72
  4. Step 4: Simplify right side
    144,237.28x = 15,864,981,367.59
  5. Step 5: Solve for x
    x = 15,864,981,367.59/144,237.28
  6. Step 6: Final answer
    x = 109,992.24

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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.