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Finding the Fourth Proportional to 99,224.60, 148,845.78 and 28,147.91

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Solution

The fourth proportional to 99,224.60, 148,845.78 and 28,147.91 is: 42,224.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,224.60 : 148,845.78 = 28,147.91 : x
  2. Step 2: Convert to fraction form
    99,224.60/148,845.78 = 28,147.91/x
  3. Step 3: Cross multiply
    99,224.60x = 148,845.78 × 28,147.91
  4. Step 4: Simplify right side
    99,224.60x = 4,189,697,619.32
  5. Step 5: Solve for x
    x = 4,189,697,619.32/99,224.60
  6. Step 6: Final answer
    x = 42,224.38

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