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Finding the Fourth Proportional to 115,648.81, 173,345.69 and 75,651.19

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Solution

The fourth proportional to 115,648.81, 173,345.69 and 75,651.19 is: 113,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,648.81 : 173,345.69 = 75,651.19 : x
  2. Step 2: Convert to fraction form
    115,648.81/173,345.69 = 75,651.19/x
  3. Step 3: Cross multiply
    115,648.81x = 173,345.69 × 75,651.19
  4. Step 4: Simplify right side
    115,648.81x = 13,113,807,351.62
  5. Step 5: Solve for x
    x = 13,113,807,351.62/115,648.81
  6. Step 6: Final answer
    x = 113,393.36

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