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Finding the Fourth Proportional to 148,019.72, 221,996.09 and 67,980.74

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Solution

The fourth proportional to 148,019.72, 221,996.09 and 67,980.74 is: 101,955.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,019.72 : 221,996.09 = 67,980.74 : x
  2. Step 2: Convert to fraction form
    148,019.72/221,996.09 = 67,980.74/x
  3. Step 3: Cross multiply
    148,019.72x = 221,996.09 × 67,980.74
  4. Step 4: Simplify right side
    148,019.72x = 15,091,458,475.31
  5. Step 5: Solve for x
    x = 15,091,458,475.31/148,019.72
  6. Step 6: Final answer
    x = 101,955.73

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