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Finding the Fourth Proportional to 208,076.49, 287,143.52 and 112,581.09

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Solution

The fourth proportional to 208,076.49, 287,143.52 and 112,581.09 is: 155,360.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,076.49 : 287,143.52 = 112,581.09 : x
  2. Step 2: Convert to fraction form
    208,076.49/287,143.52 = 112,581.09/x
  3. Step 3: Cross multiply
    208,076.49x = 287,143.52 × 112,581.09
  4. Step 4: Simplify right side
    208,076.49x = 32,326,929,905.13
  5. Step 5: Solve for x
    x = 32,326,929,905.13/208,076.49
  6. Step 6: Final answer
    x = 155,360.80

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