Home / 198,741.42-274,268.25-108,102.54

Finding the Fourth Proportional to 198,741.42, 274,268.25 and 108,102.54

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Solution

The fourth proportional to 198,741.42, 274,268.25 and 108,102.54 is: 149,184.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,741.42 : 274,268.25 = 108,102.54 : x
  2. Step 2: Convert to fraction form
    198,741.42/274,268.25 = 108,102.54/x
  3. Step 3: Cross multiply
    198,741.42x = 274,268.25 × 108,102.54
  4. Step 4: Simplify right side
    198,741.42x = 29,649,094,466.36
  5. Step 5: Solve for x
    x = 29,649,094,466.36/198,741.42
  6. Step 6: Final answer
    x = 149,184.27

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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.