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Finding the Fourth Proportional to 130,950.73, 196,092.55 and 86,441.63

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Solution

The fourth proportional to 130,950.73, 196,092.55 and 86,441.63 is: 129,442.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,950.73 : 196,092.55 = 86,441.63 : x
  2. Step 2: Convert to fraction form
    130,950.73/196,092.55 = 86,441.63/x
  3. Step 3: Cross multiply
    130,950.73x = 196,092.55 × 86,441.63
  4. Step 4: Simplify right side
    130,950.73x = 16,950,559,397.23
  5. Step 5: Solve for x
    x = 16,950,559,397.23/130,950.73
  6. Step 6: Final answer
    x = 129,442.27

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