Home / 199,144.41-274,817.75-108,500.09

Finding the Fourth Proportional to 199,144.41, 274,817.75 and 108,500.09

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Solution

The fourth proportional to 199,144.41, 274,817.75 and 108,500.09 is: 149,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,144.41 : 274,817.75 = 108,500.09 : x
  2. Step 2: Convert to fraction form
    199,144.41/274,817.75 = 108,500.09/x
  3. Step 3: Cross multiply
    199,144.41x = 274,817.75 × 108,500.09
  4. Step 4: Simplify right side
    199,144.41x = 29,817,750,608.60
  5. Step 5: Solve for x
    x = 29,817,750,608.60/199,144.41
  6. Step 6: Final answer
    x = 149,729.29

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1.5x scale

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.