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Finding the Fourth Proportional to 188,515.18, 260,134.23 and 103,630.42

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Solution

The fourth proportional to 188,515.18, 260,134.23 and 103,630.42 is: 143,000.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,515.18 : 260,134.23 = 103,630.42 : x
  2. Step 2: Convert to fraction form
    188,515.18/260,134.23 = 103,630.42/x
  3. Step 3: Cross multiply
    188,515.18x = 260,134.23 × 103,630.42
  4. Step 4: Simplify right side
    188,515.18x = 26,957,819,511.28
  5. Step 5: Solve for x
    x = 26,957,819,511.28/188,515.18
  6. Step 6: Final answer
    x = 143,000.79

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