Home / 198,935.31-274,527.90-108,292.02

Finding the Fourth Proportional to 198,935.31, 274,527.90 and 108,292.02

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Solution

The fourth proportional to 198,935.31, 274,527.90 and 108,292.02 is: 149,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,935.31 : 274,527.90 = 108,292.02 : x
  2. Step 2: Convert to fraction form
    198,935.31/274,527.90 = 108,292.02/x
  3. Step 3: Cross multiply
    198,935.31x = 274,527.90 × 108,292.02
  4. Step 4: Simplify right side
    198,935.31x = 29,729,181,352.10
  5. Step 5: Solve for x
    x = 29,729,181,352.10/198,935.31
  6. Step 6: Final answer
    x = 149,441.45

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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.