Home / 198,684.51-274,187.88-108,042.27

Finding the Fourth Proportional to 198,684.51, 274,187.88 and 108,042.27

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Solution

The fourth proportional to 198,684.51, 274,187.88 and 108,042.27 is: 149,100.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,684.51 : 274,187.88 = 108,042.27 : x
  2. Step 2: Convert to fraction form
    198,684.51/274,187.88 = 108,042.27/x
  3. Step 3: Cross multiply
    198,684.51x = 274,187.88 × 108,042.27
  4. Step 4: Simplify right side
    198,684.51x = 29,623,880,961.69
  5. Step 5: Solve for x
    x = 29,623,880,961.69/198,684.51
  6. Step 6: Final answer
    x = 149,100.10

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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.