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Finding the Fourth Proportional to 168,015.42, 252,072.36 and 49,689.90

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Solution

The fourth proportional to 168,015.42, 252,072.36 and 49,689.90 is: 74,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,015.42 : 252,072.36 = 49,689.90 : x
  2. Step 2: Convert to fraction form
    168,015.42/252,072.36 = 49,689.90/x
  3. Step 3: Cross multiply
    168,015.42x = 252,072.36 × 49,689.90
  4. Step 4: Simplify right side
    168,015.42x = 12,525,450,361.16
  5. Step 5: Solve for x
    x = 12,525,450,361.16/168,015.42
  6. Step 6: Final answer
    x = 74,549.41

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