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Finding the Fourth Proportional to 117,928.80, 176,893.20 and 75,938.40

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Solution

The fourth proportional to 117,928.80, 176,893.20 and 75,938.40 is: 113,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,928.80 : 176,893.20 = 75,938.40 : x
  2. Step 2: Convert to fraction form
    117,928.80/176,893.20 = 75,938.40/x
  3. Step 3: Cross multiply
    117,928.80x = 176,893.20 × 75,938.40
  4. Step 4: Simplify right side
    117,928.80x = 13,432,986,578.88
  5. Step 5: Solve for x
    x = 13,432,986,578.88/117,928.80
  6. Step 6: Final answer
    x = 113,907.60

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