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Finding the Fourth Proportional to 117,817.20, 176,434.20 and 75,632.40

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Solution

The fourth proportional to 117,817.20, 176,434.20 and 75,632.40 is: 113,261.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,817.20 : 176,434.20 = 75,632.40 : x
  2. Step 2: Convert to fraction form
    117,817.20/176,434.20 = 75,632.40/x
  3. Step 3: Cross multiply
    117,817.20x = 176,434.20 × 75,632.40
  4. Step 4: Simplify right side
    117,817.20x = 13,344,141,988.08
  5. Step 5: Solve for x
    x = 13,344,141,988.08/117,817.20
  6. Step 6: Final answer
    x = 113,261.41

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