Home / 198,972.65-274,551.32-114,073.31

Finding the Fourth Proportional to 198,972.65, 274,551.32 and 114,073.31

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Solution

The fourth proportional to 198,972.65, 274,551.32 and 114,073.31 is: 157,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,972.65 : 274,551.32 = 114,073.31 : x
  2. Step 2: Convert to fraction form
    198,972.65/274,551.32 = 114,073.31/x
  3. Step 3: Cross multiply
    198,972.65x = 274,551.32 × 114,073.31
  4. Step 4: Simplify right side
    198,972.65x = 31,318,978,808.83
  5. Step 5: Solve for x
    x = 31,318,978,808.83/198,972.65
  6. Step 6: Final answer
    x = 157,403.43

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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.