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Finding the Fourth Proportional to 117,661.20, 176,200.20 and 75,476.40

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Solution

The fourth proportional to 117,661.20, 176,200.20 and 75,476.40 is: 113,027.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,661.20 : 176,200.20 = 75,476.40 : x
  2. Step 2: Convert to fraction form
    117,661.20/176,200.20 = 75,476.40/x
  3. Step 3: Cross multiply
    117,661.20x = 176,200.20 × 75,476.40
  4. Step 4: Simplify right side
    117,661.20x = 13,298,956,775.28
  5. Step 5: Solve for x
    x = 13,298,956,775.28/117,661.20
  6. Step 6: Final answer
    x = 113,027.55

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