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Finding the Fourth Proportional to 118,815.68, 178,035.90 and 43,832.60

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Solution

The fourth proportional to 118,815.68, 178,035.90 and 43,832.60 is: 65,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,815.68 : 178,035.90 = 43,832.60 : x
  2. Step 2: Convert to fraction form
    118,815.68/178,035.90 = 43,832.60/x
  3. Step 3: Cross multiply
    118,815.68x = 178,035.90 × 43,832.60
  4. Step 4: Simplify right side
    118,815.68x = 7,803,776,390.34
  5. Step 5: Solve for x
    x = 7,803,776,390.34/118,815.68
  6. Step 6: Final answer
    x = 65,679.68

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