Home / 199,131.33-274,800.09-108,487.11

Finding the Fourth Proportional to 199,131.33, 274,800.09 and 108,487.11

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Solution

The fourth proportional to 199,131.33, 274,800.09 and 108,487.11 is: 149,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,131.33 : 274,800.09 = 108,487.11 : x
  2. Step 2: Convert to fraction form
    199,131.33/274,800.09 = 108,487.11/x
  3. Step 3: Cross multiply
    199,131.33x = 274,800.09 × 108,487.11
  4. Step 4: Simplify right side
    199,131.33x = 29,812,267,591.84
  5. Step 5: Solve for x
    x = 29,812,267,591.84/199,131.33
  6. Step 6: Final answer
    x = 149,711.59

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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.