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Finding the Fourth Proportional to 176,142.92, 243,069.54 and 100,696.28

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Solution

The fourth proportional to 176,142.92, 243,069.54 and 100,696.28 is: 138,956.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,142.92 : 243,069.54 = 100,696.28 : x
  2. Step 2: Convert to fraction form
    176,142.92/243,069.54 = 100,696.28/x
  3. Step 3: Cross multiply
    176,142.92x = 243,069.54 × 100,696.28
  4. Step 4: Simplify right side
    176,142.92x = 24,476,198,459.31
  5. Step 5: Solve for x
    x = 24,476,198,459.31/176,142.92
  6. Step 6: Final answer
    x = 138,956.47

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