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Finding the Fourth Proportional to 269,935.52, 405,148.98 and 143,681.78

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Solution

The fourth proportional to 269,935.52, 405,148.98 and 143,681.78 is: 215,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,935.52 : 405,148.98 = 143,681.78 : x
  2. Step 2: Convert to fraction form
    269,935.52/405,148.98 = 143,681.78/x
  3. Step 3: Cross multiply
    269,935.52x = 405,148.98 × 143,681.78
  4. Step 4: Simplify right side
    269,935.52x = 58,212,526,611.58
  5. Step 5: Solve for x
    x = 58,212,526,611.58/269,935.52
  6. Step 6: Final answer
    x = 215,653.45

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