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Finding the Fourth Proportional to 145,517.03, 200,811.52 and 81,854.89

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Solution

The fourth proportional to 145,517.03, 200,811.52 and 81,854.89 is: 112,958.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,517.03 : 200,811.52 = 81,854.89 : x
  2. Step 2: Convert to fraction form
    145,517.03/200,811.52 = 81,854.89/x
  3. Step 3: Cross multiply
    145,517.03x = 200,811.52 × 81,854.89
  4. Step 4: Simplify right side
    145,517.03x = 16,437,404,880.33
  5. Step 5: Solve for x
    x = 16,437,404,880.33/145,517.03
  6. Step 6: Final answer
    x = 112,958.63

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