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Finding the Fourth Proportional to 178,766.40, 268,070.40 and 60,405.60

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Solution

The fourth proportional to 178,766.40, 268,070.40 and 60,405.60 is: 90,581.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,766.40 : 268,070.40 = 60,405.60 : x
  2. Step 2: Convert to fraction form
    178,766.40/268,070.40 = 60,405.60/x
  3. Step 3: Cross multiply
    178,766.40x = 268,070.40 × 60,405.60
  4. Step 4: Simplify right side
    178,766.40x = 16,192,953,354.24
  5. Step 5: Solve for x
    x = 16,192,953,354.24/178,766.40
  6. Step 6: Final answer
    x = 90,581.64

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