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Finding the Fourth Proportional to 144,468.20, 216,279.90 and 102,996.20

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Solution

The fourth proportional to 144,468.20, 216,279.90 and 102,996.20 is: 154,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,468.20 : 216,279.90 = 102,996.20 : x
  2. Step 2: Convert to fraction form
    144,468.20/216,279.90 = 102,996.20/x
  3. Step 3: Cross multiply
    144,468.20x = 216,279.90 × 102,996.20
  4. Step 4: Simplify right side
    144,468.20x = 22,276,007,836.38
  5. Step 5: Solve for x
    x = 22,276,007,836.38/144,468.20
  6. Step 6: Final answer
    x = 154,193.16

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