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Finding the Fourth Proportional to 73,151.60, 109,661.70 and 28,808.60

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Solution

The fourth proportional to 73,151.60, 109,661.70 and 28,808.60 is: 43,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,151.60 : 109,661.70 = 28,808.60 : x
  2. Step 2: Convert to fraction form
    73,151.60/109,661.70 = 28,808.60/x
  3. Step 3: Cross multiply
    73,151.60x = 109,661.70 × 28,808.60
  4. Step 4: Simplify right side
    73,151.60x = 3,159,200,050.62
  5. Step 5: Solve for x
    x = 3,159,200,050.62/73,151.60
  6. Step 6: Final answer
    x = 43,187.03

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