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Finding the Fourth Proportional to 96,175.40, 144,003.90 and 75,439.40

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Solution

The fourth proportional to 96,175.40, 144,003.90 and 75,439.40 is: 112,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,175.40 : 144,003.90 = 75,439.40 : x
  2. Step 2: Convert to fraction form
    96,175.40/144,003.90 = 75,439.40/x
  3. Step 3: Cross multiply
    96,175.40x = 144,003.90 × 75,439.40
  4. Step 4: Simplify right side
    96,175.40x = 10,863,567,813.66
  5. Step 5: Solve for x
    x = 10,863,567,813.66/96,175.40
  6. Step 6: Final answer
    x = 112,955.79

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