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Finding the Fourth Proportional to 117,688.20, 176,532.30 and 82,258.80

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Solution

The fourth proportional to 117,688.20, 176,532.30 and 82,258.80 is: 123,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,688.20 : 176,532.30 = 82,258.80 : x
  2. Step 2: Convert to fraction form
    117,688.20/176,532.30 = 82,258.80/x
  3. Step 3: Cross multiply
    117,688.20x = 176,532.30 × 82,258.80
  4. Step 4: Simplify right side
    117,688.20x = 14,521,335,159.24
  5. Step 5: Solve for x
    x = 14,521,335,159.24/117,688.20
  6. Step 6: Final answer
    x = 123,388.20

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