Home / 199,149.72-274,825.08-108,505.42

Finding the Fourth Proportional to 199,149.72, 274,825.08 and 108,505.42

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Solution

The fourth proportional to 199,149.72, 274,825.08 and 108,505.42 is: 149,736.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,149.72 : 274,825.08 = 108,505.42 : x
  2. Step 2: Convert to fraction form
    199,149.72/274,825.08 = 108,505.42/x
  3. Step 3: Cross multiply
    199,149.72x = 274,825.08 × 108,505.42
  4. Step 4: Simplify right side
    199,149.72x = 29,820,010,731.93
  5. Step 5: Solve for x
    x = 29,820,010,731.93/199,149.72
  6. Step 6: Final answer
    x = 149,736.64

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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.