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Finding the Fourth Proportional to 117,743.20, 176,211.60 and 71,029.60

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Solution

The fourth proportional to 117,743.20, 176,211.60 and 71,029.60 is: 106,301.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,743.20 : 176,211.60 = 71,029.60 : x
  2. Step 2: Convert to fraction form
    117,743.20/176,211.60 = 71,029.60/x
  3. Step 3: Cross multiply
    117,743.20x = 176,211.60 × 71,029.60
  4. Step 4: Simplify right side
    117,743.20x = 12,516,239,463.36
  5. Step 5: Solve for x
    x = 12,516,239,463.36/117,743.20
  6. Step 6: Final answer
    x = 106,301.17

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