Home / 199,260.80-274,971.60-108,614.78

Finding the Fourth Proportional to 199,260.80, 274,971.60 and 108,614.78

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Solution

The fourth proportional to 199,260.80, 274,971.60 and 108,614.78 is: 149,883.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,260.80 : 274,971.60 = 108,614.78 : x
  2. Step 2: Convert to fraction form
    199,260.80/274,971.60 = 108,614.78/x
  3. Step 3: Cross multiply
    199,260.80x = 274,971.60 × 108,614.78
  4. Step 4: Simplify right side
    199,260.80x = 29,865,979,840.25
  5. Step 5: Solve for x
    x = 29,865,979,840.25/199,260.80
  6. Step 6: Final answer
    x = 149,883.87

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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.