Home / 192,919.25-266,206.61-112,329.78

Finding the Fourth Proportional to 192,919.25, 266,206.61 and 112,329.78

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Solution

The fourth proportional to 192,919.25, 266,206.61 and 112,329.78 is: 155,002.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,919.25 : 266,206.61 = 112,329.78 : x
  2. Step 2: Convert to fraction form
    192,919.25/266,206.61 = 112,329.78/x
  3. Step 3: Cross multiply
    192,919.25x = 266,206.61 × 112,329.78
  4. Step 4: Simplify right side
    192,919.25x = 29,902,929,374.20
  5. Step 5: Solve for x
    x = 29,902,929,374.20/192,919.25
  6. Step 6: Final answer
    x = 155,002.31

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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.