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Finding the Fourth Proportional to 99,530.60, 149,321.18 and 29,409.91

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Solution

The fourth proportional to 99,530.60, 149,321.18 and 29,409.91 is: 44,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,530.60 : 149,321.18 = 29,409.91 : x
  2. Step 2: Convert to fraction form
    99,530.60/149,321.18 = 29,409.91/x
  3. Step 3: Cross multiply
    99,530.60x = 149,321.18 × 29,409.91
  4. Step 4: Simplify right side
    99,530.60x = 4,391,522,165.12
  5. Step 5: Solve for x
    x = 4,391,522,165.12/99,530.60
  6. Step 6: Final answer
    x = 44,122.33

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