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Finding the Fourth Proportional to 178,703.40, 268,055.10 and 47,375.40

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Solution

The fourth proportional to 178,703.40, 268,055.10 and 47,375.40 is: 71,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,703.40 : 268,055.10 = 47,375.40 : x
  2. Step 2: Convert to fraction form
    178,703.40/268,055.10 = 47,375.40/x
  3. Step 3: Cross multiply
    178,703.40x = 268,055.10 × 47,375.40
  4. Step 4: Simplify right side
    178,703.40x = 12,699,217,584.54
  5. Step 5: Solve for x
    x = 12,699,217,584.54/178,703.40
  6. Step 6: Final answer
    x = 71,063.10

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