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Finding the Fourth Proportional to 281,178.54, 388,026.42 and 153,854.16

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Solution

The fourth proportional to 281,178.54, 388,026.42 and 153,854.16 is: 212,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,178.54 : 388,026.42 = 153,854.16 : x
  2. Step 2: Convert to fraction form
    281,178.54/388,026.42 = 153,854.16/x
  3. Step 3: Cross multiply
    281,178.54x = 388,026.42 × 153,854.16
  4. Step 4: Simplify right side
    281,178.54x = 59,699,478,906.91
  5. Step 5: Solve for x
    x = 59,699,478,906.91/281,178.54
  6. Step 6: Final answer
    x = 212,318.76

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