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Finding the Fourth Proportional to 198,684.40, 274,176.12 and 112,649.17

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Solution

The fourth proportional to 198,684.40, 274,176.12 and 112,649.17 is: 155,451.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,684.40 : 274,176.12 = 112,649.17 : x
  2. Step 2: Convert to fraction form
    198,684.40/274,176.12 = 112,649.17/x
  3. Step 3: Cross multiply
    198,684.40x = 274,176.12 × 112,649.17
  4. Step 4: Simplify right side
    198,684.40x = 30,885,711,514.95
  5. Step 5: Solve for x
    x = 30,885,711,514.95/198,684.40
  6. Step 6: Final answer
    x = 155,451.12

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