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Finding the Fourth Proportional to 146,693.70, 220,186.35 and 71,898.30

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Solution

The fourth proportional to 146,693.70, 220,186.35 and 71,898.30 is: 107,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,693.70 : 220,186.35 = 71,898.30 : x
  2. Step 2: Convert to fraction form
    146,693.70/220,186.35 = 71,898.30/x
  3. Step 3: Cross multiply
    146,693.70x = 220,186.35 × 71,898.30
  4. Step 4: Simplify right side
    146,693.70x = 15,831,024,248.21
  5. Step 5: Solve for x
    x = 15,831,024,248.21/146,693.70
  6. Step 6: Final answer
    x = 107,918.91

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