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Finding the Fourth Proportional to 88,036.60, 131,909.10 and 74,914.60

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Solution

The fourth proportional to 88,036.60, 131,909.10 and 74,914.60 is: 112,247.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,036.60 : 131,909.10 = 74,914.60 : x
  2. Step 2: Convert to fraction form
    88,036.60/131,909.10 = 74,914.60/x
  3. Step 3: Cross multiply
    88,036.60x = 131,909.10 × 74,914.60
  4. Step 4: Simplify right side
    88,036.60x = 9,881,917,462.86
  5. Step 5: Solve for x
    x = 9,881,917,462.86/88,036.60
  6. Step 6: Final answer
    x = 112,247.83

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