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Finding the Fourth Proportional to 78,514.36, 117,775.32 and 25,922.68

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Solution

The fourth proportional to 78,514.36, 117,775.32 and 25,922.68 is: 38,885.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,514.36 : 117,775.32 = 25,922.68 : x
  2. Step 2: Convert to fraction form
    78,514.36/117,775.32 = 25,922.68/x
  3. Step 3: Cross multiply
    78,514.36x = 117,775.32 × 25,922.68
  4. Step 4: Simplify right side
    78,514.36x = 3,053,051,932.26
  5. Step 5: Solve for x
    x = 3,053,051,932.26/78,514.36
  6. Step 6: Final answer
    x = 38,885.27

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