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Finding the Fourth Proportional to 97,491.60, 134,601.12 and 79,629.48

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Solution

The fourth proportional to 97,491.60, 134,601.12 and 79,629.48 is: 109,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,491.60 : 134,601.12 = 79,629.48 : x
  2. Step 2: Convert to fraction form
    97,491.60/134,601.12 = 79,629.48/x
  3. Step 3: Cross multiply
    97,491.60x = 134,601.12 × 79,629.48
  4. Step 4: Simplify right side
    97,491.60x = 10,718,217,193.02
  5. Step 5: Solve for x
    x = 10,718,217,193.02/97,491.60
  6. Step 6: Final answer
    x = 109,939.90

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