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Finding the Fourth Proportional to 281,052.45, 387,861.62 and 153,728.06

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Solution

The fourth proportional to 281,052.45, 387,861.62 and 153,728.06 is: 212,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,052.45 : 387,861.62 = 153,728.06 : x
  2. Step 2: Convert to fraction form
    281,052.45/387,861.62 = 153,728.06/x
  3. Step 3: Cross multiply
    281,052.45x = 387,861.62 × 153,728.06
  4. Step 4: Simplify right side
    281,052.45x = 59,625,211,683.11
  5. Step 5: Solve for x
    x = 59,625,211,683.11/281,052.45
  6. Step 6: Final answer
    x = 212,149.77

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