Home / 198,912.64-274,499.96-108,268.52

Finding the Fourth Proportional to 198,912.64, 274,499.96 and 108,268.52

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Solution

The fourth proportional to 198,912.64, 274,499.96 and 108,268.52 is: 149,410.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,912.64 : 274,499.96 = 108,268.52 : x
  2. Step 2: Convert to fraction form
    198,912.64/274,499.96 = 108,268.52/x
  3. Step 3: Cross multiply
    198,912.64x = 274,499.96 × 108,268.52
  4. Step 4: Simplify right side
    198,912.64x = 29,719,704,409.26
  5. Step 5: Solve for x
    x = 29,719,704,409.26/198,912.64
  6. Step 6: Final answer
    x = 149,410.84

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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.