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Finding the Fourth Proportional to 88,018.26, 131,712 and 76,212.78

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Solution

The fourth proportional to 88,018.26, 131,712 and 76,212.78 is: 114,046.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,018.26 : 131,712 = 76,212.78 : x
  2. Step 2: Convert to fraction form
    88,018.26/131,712 = 76,212.78/x
  3. Step 3: Cross multiply
    88,018.26x = 131,712 × 76,212.78
  4. Step 4: Simplify right side
    88,018.26x = 10,038,137,679.36
  5. Step 5: Solve for x
    x = 10,038,137,679.36/88,018.26
  6. Step 6: Final answer
    x = 114,046.08

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