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Finding the Fourth Proportional to 268,095.27, 402,142.64 and 68,415.66

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Solution

The fourth proportional to 268,095.27, 402,142.64 and 68,415.66 is: 102,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,095.27 : 402,142.64 = 68,415.66 : x
  2. Step 2: Convert to fraction form
    268,095.27/402,142.64 = 68,415.66/x
  3. Step 3: Cross multiply
    268,095.27x = 402,142.64 × 68,415.66
  4. Step 4: Simplify right side
    268,095.27x = 27,512,851,776.95
  5. Step 5: Solve for x
    x = 27,512,851,776.95/268,095.27
  6. Step 6: Final answer
    x = 102,623.42

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