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Finding the Fourth Proportional to 178,731.80, 268,097.58 and 45,612.10

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Solution

The fourth proportional to 178,731.80, 268,097.58 and 45,612.10 is: 68,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,731.80 : 268,097.58 = 45,612.10 : x
  2. Step 2: Convert to fraction form
    178,731.80/268,097.58 = 45,612.10/x
  3. Step 3: Cross multiply
    178,731.80x = 268,097.58 × 45,612.10
  4. Step 4: Simplify right side
    178,731.80x = 12,228,493,628.72
  5. Step 5: Solve for x
    x = 12,228,493,628.72/178,731.80
  6. Step 6: Final answer
    x = 68,418.12

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