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Finding the Fourth Proportional to 120,613.64, 166,337.88 and 75,295.81

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Solution

The fourth proportional to 120,613.64, 166,337.88 and 75,295.81 is: 103,840.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,613.64 : 166,337.88 = 75,295.81 : x
  2. Step 2: Convert to fraction form
    120,613.64/166,337.88 = 75,295.81/x
  3. Step 3: Cross multiply
    120,613.64x = 166,337.88 × 75,295.81
  4. Step 4: Simplify right side
    120,613.64x = 12,524,545,545.62
  5. Step 5: Solve for x
    x = 12,524,545,545.62/120,613.64
  6. Step 6: Final answer
    x = 103,840.21

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