Home / 198,828.68-274,384.71-108,185.27

Finding the Fourth Proportional to 198,828.68, 274,384.71 and 108,185.27

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Solution

The fourth proportional to 198,828.68, 274,384.71 and 108,185.27 is: 149,296.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,828.68 : 274,384.71 = 108,185.27 : x
  2. Step 2: Convert to fraction form
    198,828.68/274,384.71 = 108,185.27/x
  3. Step 3: Cross multiply
    198,828.68x = 274,384.71 × 108,185.27
  4. Step 4: Simplify right side
    198,828.68x = 29,684,382,563.30
  5. Step 5: Solve for x
    x = 29,684,382,563.30/198,828.68
  6. Step 6: Final answer
    x = 149,296.29

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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.