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Finding the Fourth Proportional to 117,645.20, 176,176.20 and 75,460.40

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Solution

The fourth proportional to 117,645.20, 176,176.20 and 75,460.40 is: 113,003.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,645.20 : 176,176.20 = 75,460.40 : x
  2. Step 2: Convert to fraction form
    117,645.20/176,176.20 = 75,460.40/x
  3. Step 3: Cross multiply
    117,645.20x = 176,176.20 × 75,460.40
  4. Step 4: Simplify right side
    117,645.20x = 13,294,326,522.48
  5. Step 5: Solve for x
    x = 13,294,326,522.48/117,645.20
  6. Step 6: Final answer
    x = 113,003.56

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