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Finding the Fourth Proportional to 169,969.10, 255,099.45 and 75,344.90

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Solution

The fourth proportional to 169,969.10, 255,099.45 and 75,344.90 is: 113,081.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,969.10 : 255,099.45 = 75,344.90 : x
  2. Step 2: Convert to fraction form
    169,969.10/255,099.45 = 75,344.90/x
  3. Step 3: Cross multiply
    169,969.10x = 255,099.45 × 75,344.90
  4. Step 4: Simplify right side
    169,969.10x = 19,220,442,550.31
  5. Step 5: Solve for x
    x = 19,220,442,550.31/169,969.10
  6. Step 6: Final answer
    x = 113,081.98

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