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Finding the Fourth Proportional to 178,895.40, 268,343.10 and 108,911.40

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Solution

The fourth proportional to 178,895.40, 268,343.10 and 108,911.40 is: 163,367.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,895.40 : 268,343.10 = 108,911.40 : x
  2. Step 2: Convert to fraction form
    178,895.40/268,343.10 = 108,911.40/x
  3. Step 3: Cross multiply
    178,895.40x = 268,343.10 × 108,911.40
  4. Step 4: Simplify right side
    178,895.40x = 29,225,622,701.34
  5. Step 5: Solve for x
    x = 29,225,622,701.34/178,895.40
  6. Step 6: Final answer
    x = 163,367.10

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