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Finding the Fourth Proportional to 95,655.60, 143,310.60 and 81,831.60

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Solution

The fourth proportional to 95,655.60, 143,310.60 and 81,831.60 is: 122,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,655.60 : 143,310.60 = 81,831.60 : x
  2. Step 2: Convert to fraction form
    95,655.60/143,310.60 = 81,831.60/x
  3. Step 3: Cross multiply
    95,655.60x = 143,310.60 × 81,831.60
  4. Step 4: Simplify right side
    95,655.60x = 11,727,335,694.96
  5. Step 5: Solve for x
    x = 11,727,335,694.96/95,655.60
  6. Step 6: Final answer
    x = 122,599.57

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