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Finding the Fourth Proportional to 156,613.80, 234,920.70 and 38,286.30

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Solution

The fourth proportional to 156,613.80, 234,920.70 and 38,286.30 is: 57,429.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,613.80 : 234,920.70 = 38,286.30 : x
  2. Step 2: Convert to fraction form
    156,613.80/234,920.70 = 38,286.30/x
  3. Step 3: Cross multiply
    156,613.80x = 234,920.70 × 38,286.30
  4. Step 4: Simplify right side
    156,613.80x = 8,994,244,396.41
  5. Step 5: Solve for x
    x = 8,994,244,396.41/156,613.80
  6. Step 6: Final answer
    x = 57,429.45

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