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Finding the Fourth Proportional to 81,153, 121,735.02 and 24,989.64

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Solution

The fourth proportional to 81,153, 121,735.02 and 24,989.64 is: 37,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,153 : 121,735.02 = 24,989.64 : x
  2. Step 2: Convert to fraction form
    81,153/121,735.02 = 24,989.64/x
  3. Step 3: Cross multiply
    81,153x = 121,735.02 × 24,989.64
  4. Step 4: Simplify right side
    81,153x = 3,042,114,325.19
  5. Step 5: Solve for x
    x = 3,042,114,325.19/81,153
  6. Step 6: Final answer
    x = 37,486.16

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