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Finding the Fourth Proportional to 126,513.73, 174,589.12 and 72,797.68

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Solution

The fourth proportional to 126,513.73, 174,589.12 and 72,797.68 is: 100,460.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,513.73 : 174,589.12 = 72,797.68 : x
  2. Step 2: Convert to fraction form
    126,513.73/174,589.12 = 72,797.68/x
  3. Step 3: Cross multiply
    126,513.73x = 174,589.12 × 72,797.68
  4. Step 4: Simplify right side
    126,513.73x = 12,709,682,889.24
  5. Step 5: Solve for x
    x = 12,709,682,889.24/126,513.73
  6. Step 6: Final answer
    x = 100,460.90

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