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Finding the Fourth Proportional to 99,361.96, 137,119.53 and 54,649.96

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Solution

The fourth proportional to 99,361.96, 137,119.53 and 54,649.96 is: 75,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,361.96 : 137,119.53 = 54,649.96 : x
  2. Step 2: Convert to fraction form
    99,361.96/137,119.53 = 54,649.96/x
  3. Step 3: Cross multiply
    99,361.96x = 137,119.53 × 54,649.96
  4. Step 4: Simplify right side
    99,361.96x = 7,493,576,829.72
  5. Step 5: Solve for x
    x = 7,493,576,829.72/99,361.96
  6. Step 6: Final answer
    x = 75,416.96

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