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Finding the Fourth Proportional to 105,849.64, 146,033.22 and 75,638.44

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Solution

The fourth proportional to 105,849.64, 146,033.22 and 75,638.44 is: 104,352.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,849.64 : 146,033.22 = 75,638.44 : x
  2. Step 2: Convert to fraction form
    105,849.64/146,033.22 = 75,638.44/x
  3. Step 3: Cross multiply
    105,849.64x = 146,033.22 × 75,638.44
  4. Step 4: Simplify right side
    105,849.64x = 11,045,724,948.98
  5. Step 5: Solve for x
    x = 11,045,724,948.98/105,849.64
  6. Step 6: Final answer
    x = 104,352.98

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