Home / 140,367.97-193,717.01-79,129.27

Finding the Fourth Proportional to 140,367.97, 193,717.01 and 79,129.27

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Solution

The fourth proportional to 140,367.97, 193,717.01 and 79,129.27 is: 109,203.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,367.97 : 193,717.01 = 79,129.27 : x
  2. Step 2: Convert to fraction form
    140,367.97/193,717.01 = 79,129.27/x
  3. Step 3: Cross multiply
    140,367.97x = 193,717.01 × 79,129.27
  4. Step 4: Simplify right side
    140,367.97x = 15,328,685,192.24
  5. Step 5: Solve for x
    x = 15,328,685,192.24/140,367.97
  6. Step 6: Final answer
    x = 109,203.58

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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.