Home / 198,736.54-274,242.30-108,090.65

Finding the Fourth Proportional to 198,736.54, 274,242.30 and 108,090.65

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Solution

The fourth proportional to 198,736.54, 274,242.30 and 108,090.65 is: 149,157.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,736.54 : 274,242.30 = 108,090.65 : x
  2. Step 2: Convert to fraction form
    198,736.54/274,242.30 = 108,090.65/x
  3. Step 3: Cross multiply
    198,736.54x = 274,242.30 × 108,090.65
  4. Step 4: Simplify right side
    198,736.54x = 29,643,028,464.50
  5. Step 5: Solve for x
    x = 29,643,028,464.50/198,736.54
  6. Step 6: Final answer
    x = 149,157.42

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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.