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Finding the Fourth Proportional to 253,664.75, 380,555.44 and 76,175.12

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Solution

The fourth proportional to 253,664.75, 380,555.44 and 76,175.12 is: 114,280.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,664.75 : 380,555.44 = 76,175.12 : x
  2. Step 2: Convert to fraction form
    253,664.75/380,555.44 = 76,175.12/x
  3. Step 3: Cross multiply
    253,664.75x = 380,555.44 × 76,175.12
  4. Step 4: Simplify right side
    253,664.75x = 28,988,857,069.60
  5. Step 5: Solve for x
    x = 28,988,857,069.60/253,664.75
  6. Step 6: Final answer
    x = 114,280.19

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