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Finding the Fourth Proportional to 203,818.80, 281,071.98 and 158,416.68

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Solution

The fourth proportional to 203,818.80, 281,071.98 and 158,416.68 is: 218,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,818.80 : 281,071.98 = 158,416.68 : x
  2. Step 2: Convert to fraction form
    203,818.80/281,071.98 = 158,416.68/x
  3. Step 3: Cross multiply
    203,818.80x = 281,071.98 × 158,416.68
  4. Step 4: Simplify right side
    203,818.80x = 44,526,489,912.63
  5. Step 5: Solve for x
    x = 44,526,489,912.63/203,818.80
  6. Step 6: Final answer
    x = 218,461.15

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