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Finding the Fourth Proportional to 114,530.67, 171,712.89 and 76,997.61

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Solution

The fourth proportional to 114,530.67, 171,712.89 and 76,997.61 is: 115,440.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,530.67 : 171,712.89 = 76,997.61 : x
  2. Step 2: Convert to fraction form
    114,530.67/171,712.89 = 76,997.61/x
  3. Step 3: Cross multiply
    114,530.67x = 171,712.89 × 76,997.61
  4. Step 4: Simplify right side
    114,530.67x = 13,221,482,136.19
  5. Step 5: Solve for x
    x = 13,221,482,136.19/114,530.67
  6. Step 6: Final answer
    x = 115,440.54

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