Home / 199,022.52-274,647.12-108,379.60

Finding the Fourth Proportional to 199,022.52, 274,647.12 and 108,379.60

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Solution

The fourth proportional to 199,022.52, 274,647.12 and 108,379.60 is: 149,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,022.52 : 274,647.12 = 108,379.60 : x
  2. Step 2: Convert to fraction form
    199,022.52/274,647.12 = 108,379.60/x
  3. Step 3: Cross multiply
    199,022.52x = 274,647.12 × 108,379.60
  4. Step 4: Simplify right side
    199,022.52x = 29,766,145,006.75
  5. Step 5: Solve for x
    x = 29,766,145,006.75/199,022.52
  6. Step 6: Final answer
    x = 149,561.69

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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.