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Finding the Fourth Proportional to 128,163.30, 192,264.93 and 61,591.02

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Solution

The fourth proportional to 128,163.30, 192,264.93 and 61,591.02 is: 92,396.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,163.30 : 192,264.93 = 61,591.02 : x
  2. Step 2: Convert to fraction form
    128,163.30/192,264.93 = 61,591.02/x
  3. Step 3: Cross multiply
    128,163.30x = 192,264.93 × 61,591.02
  4. Step 4: Simplify right side
    128,163.30x = 11,841,793,148.93
  5. Step 5: Solve for x
    x = 11,841,793,148.93/128,163.30
  6. Step 6: Final answer
    x = 92,396.13

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