Home / 140,022.18-193,223.01-79,584.44

Finding the Fourth Proportional to 140,022.18, 193,223.01 and 79,584.44

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Solution

The fourth proportional to 140,022.18, 193,223.01 and 79,584.44 is: 109,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,022.18 : 193,223.01 = 79,584.44 : x
  2. Step 2: Convert to fraction form
    140,022.18/193,223.01 = 79,584.44/x
  3. Step 3: Cross multiply
    140,022.18x = 193,223.01 × 79,584.44
  4. Step 4: Simplify right side
    140,022.18x = 15,377,545,102.88
  5. Step 5: Solve for x
    x = 15,377,545,102.88/140,022.18
  6. Step 6: Final answer
    x = 109,822.21

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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.