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Finding the Fourth Proportional to 99,859.37, 149,792.13 and 43,670.55

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Solution

The fourth proportional to 99,859.37, 149,792.13 and 43,670.55 is: 65,507.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,859.37 : 149,792.13 = 43,670.55 : x
  2. Step 2: Convert to fraction form
    99,859.37/149,792.13 = 43,670.55/x
  3. Step 3: Cross multiply
    99,859.37x = 149,792.13 × 43,670.55
  4. Step 4: Simplify right side
    99,859.37x = 6,541,504,702.77
  5. Step 5: Solve for x
    x = 6,541,504,702.77/99,859.37
  6. Step 6: Final answer
    x = 65,507.17

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