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Finding the Fourth Proportional to 103,760.75, 143,202.89 and 58,447.32

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Solution

The fourth proportional to 103,760.75, 143,202.89 and 58,447.32 is: 80,664.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,760.75 : 143,202.89 = 58,447.32 : x
  2. Step 2: Convert to fraction form
    103,760.75/143,202.89 = 58,447.32/x
  3. Step 3: Cross multiply
    103,760.75x = 143,202.89 × 58,447.32
  4. Step 4: Simplify right side
    103,760.75x = 8,369,824,844.52
  5. Step 5: Solve for x
    x = 8,369,824,844.52/103,760.75
  6. Step 6: Final answer
    x = 80,664.66

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