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Finding the Fourth Proportional to 178,689.60, 268,034.40 and 73,454.40

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Solution

The fourth proportional to 178,689.60, 268,034.40 and 73,454.40 is: 110,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,689.60 : 268,034.40 = 73,454.40 : x
  2. Step 2: Convert to fraction form
    178,689.60/268,034.40 = 73,454.40/x
  3. Step 3: Cross multiply
    178,689.60x = 268,034.40 × 73,454.40
  4. Step 4: Simplify right side
    178,689.60x = 19,688,306,031.36
  5. Step 5: Solve for x
    x = 19,688,306,031.36/178,689.60
  6. Step 6: Final answer
    x = 110,181.60

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