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Finding the Fourth Proportional to 131,351.63, 181,265.45 and 74,763

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Solution

The fourth proportional to 131,351.63, 181,265.45 and 74,763 is: 103,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,351.63 : 181,265.45 = 74,763 : x
  2. Step 2: Convert to fraction form
    131,351.63/181,265.45 = 74,763/x
  3. Step 3: Cross multiply
    131,351.63x = 181,265.45 × 74,763
  4. Step 4: Simplify right side
    131,351.63x = 13,551,948,464.54
  5. Step 5: Solve for x
    x = 13,551,948,464.54/131,351.63
  6. Step 6: Final answer
    x = 103,173.06

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