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Finding the Fourth Proportional to 106,138.94, 159,077.18 and 53,563.46

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Solution

The fourth proportional to 106,138.94, 159,077.18 and 53,563.46 is: 80,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,138.94 : 159,077.18 = 53,563.46 : x
  2. Step 2: Convert to fraction form
    106,138.94/159,077.18 = 53,563.46/x
  3. Step 3: Cross multiply
    106,138.94x = 159,077.18 × 53,563.46
  4. Step 4: Simplify right side
    106,138.94x = 8,520,724,167.84
  5. Step 5: Solve for x
    x = 8,520,724,167.84/106,138.94
  6. Step 6: Final answer
    x = 80,278.96

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