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Finding the Fourth Proportional to 103,993.52, 143,507.75 and 58,670.90

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Solution

The fourth proportional to 103,993.52, 143,507.75 and 58,670.90 is: 80,963.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,993.52 : 143,507.75 = 58,670.90 : x
  2. Step 2: Convert to fraction form
    103,993.52/143,507.75 = 58,670.90/x
  3. Step 3: Cross multiply
    103,993.52x = 143,507.75 × 58,670.90
  4. Step 4: Simplify right side
    103,993.52x = 8,419,728,849.48
  5. Step 5: Solve for x
    x = 8,419,728,849.48/103,993.52
  6. Step 6: Final answer
    x = 80,963.98

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