Home / 198,942-274,539.96-114,087.12

Finding the Fourth Proportional to 198,942, 274,539.96 and 114,087.12

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Solution

The fourth proportional to 198,942, 274,539.96 and 114,087.12 is: 157,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,942 : 274,539.96 = 114,087.12 : x
  2. Step 2: Convert to fraction form
    198,942/274,539.96 = 114,087.12/x
  3. Step 3: Cross multiply
    198,942x = 274,539.96 × 114,087.12
  4. Step 4: Simplify right side
    198,942x = 31,321,473,361.32
  5. Step 5: Solve for x
    x = 31,321,473,361.32/198,942
  6. Step 6: Final answer
    x = 157,440.23

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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.