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Finding the Fourth Proportional to 281,168.80, 421,753.20 and 176,106.40

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Solution

The fourth proportional to 281,168.80, 421,753.20 and 176,106.40 is: 264,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,168.80 : 421,753.20 = 176,106.40 : x
  2. Step 2: Convert to fraction form
    281,168.80/421,753.20 = 176,106.40/x
  3. Step 3: Cross multiply
    281,168.80x = 421,753.20 × 176,106.40
  4. Step 4: Simplify right side
    281,168.80x = 74,273,437,740.48
  5. Step 5: Solve for x
    x = 74,273,437,740.48/281,168.80
  6. Step 6: Final answer
    x = 264,159.60

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