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Finding the Fourth Proportional to 114,489.84, 171,699.78 and 79,178.10

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Solution

The fourth proportional to 114,489.84, 171,699.78 and 79,178.10 is: 118,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,489.84 : 171,699.78 = 79,178.10 : x
  2. Step 2: Convert to fraction form
    114,489.84/171,699.78 = 79,178.10/x
  3. Step 3: Cross multiply
    114,489.84x = 171,699.78 × 79,178.10
  4. Step 4: Simplify right side
    114,489.84x = 13,594,862,350.82
  5. Step 5: Solve for x
    x = 13,594,862,350.82/114,489.84
  6. Step 6: Final answer
    x = 118,742.96

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