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Finding the Fourth Proportional to 190,201.96, 262,475.50 and 105,317.20

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Solution

The fourth proportional to 190,201.96, 262,475.50 and 105,317.20 is: 145,335.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,201.96 : 262,475.50 = 105,317.20 : x
  2. Step 2: Convert to fraction form
    190,201.96/262,475.50 = 105,317.20/x
  3. Step 3: Cross multiply
    190,201.96x = 262,475.50 × 105,317.20
  4. Step 4: Simplify right side
    190,201.96x = 27,643,184,728.60
  5. Step 5: Solve for x
    x = 27,643,184,728.60/190,201.96
  6. Step 6: Final answer
    x = 145,335.96

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