Home / 198,822.66-274,367.06-108,178.98

Finding the Fourth Proportional to 198,822.66, 274,367.06 and 108,178.98

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Solution

The fourth proportional to 198,822.66, 274,367.06 and 108,178.98 is: 149,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,822.66 : 274,367.06 = 108,178.98 : x
  2. Step 2: Convert to fraction form
    198,822.66/274,367.06 = 108,178.98/x
  3. Step 3: Cross multiply
    198,822.66x = 274,367.06 × 108,178.98
  4. Step 4: Simplify right side
    198,822.66x = 29,680,748,696.40
  5. Step 5: Solve for x
    x = 29,680,748,696.40/198,822.66
  6. Step 6: Final answer
    x = 149,282.52

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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.