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Finding the Fourth Proportional to 187,086.02, 280,739.75 and 68,840.40

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Solution

The fourth proportional to 187,086.02, 280,739.75 and 68,840.40 is: 103,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,086.02 : 280,739.75 = 68,840.40 : x
  2. Step 2: Convert to fraction form
    187,086.02/280,739.75 = 68,840.40/x
  3. Step 3: Cross multiply
    187,086.02x = 280,739.75 × 68,840.40
  4. Step 4: Simplify right side
    187,086.02x = 19,326,236,685.90
  5. Step 5: Solve for x
    x = 19,326,236,685.90/187,086.02
  6. Step 6: Final answer
    x = 103,301.34

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