Home / 199,238.12-274,946.18-108,593.80

Finding the Fourth Proportional to 199,238.12, 274,946.18 and 108,593.80

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Solution

The fourth proportional to 199,238.12, 274,946.18 and 108,593.80 is: 149,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,238.12 : 274,946.18 = 108,593.80 : x
  2. Step 2: Convert to fraction form
    199,238.12/274,946.18 = 108,593.80/x
  3. Step 3: Cross multiply
    199,238.12x = 274,946.18 × 108,593.80
  4. Step 4: Simplify right side
    199,238.12x = 29,857,450,635.48
  5. Step 5: Solve for x
    x = 29,857,450,635.48/199,238.12
  6. Step 6: Final answer
    x = 149,858.13

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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.