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Finding the Fourth Proportional to 107,920.20, 162,026.10 and 68,554.20

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Solution

The fourth proportional to 107,920.20, 162,026.10 and 68,554.20 is: 102,923.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,920.20 : 162,026.10 = 68,554.20 : x
  2. Step 2: Convert to fraction form
    107,920.20/162,026.10 = 68,554.20/x
  3. Step 3: Cross multiply
    107,920.20x = 162,026.10 × 68,554.20
  4. Step 4: Simplify right side
    107,920.20x = 11,107,569,664.62
  5. Step 5: Solve for x
    x = 11,107,569,664.62/107,920.20
  6. Step 6: Final answer
    x = 102,923.92

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