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Finding the Fourth Proportional to 117,445.54, 162,072.60 and 66,457.34

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Solution

The fourth proportional to 117,445.54, 162,072.60 and 66,457.34 is: 91,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,445.54 : 162,072.60 = 66,457.34 : x
  2. Step 2: Convert to fraction form
    117,445.54/162,072.60 = 66,457.34/x
  3. Step 3: Cross multiply
    117,445.54x = 162,072.60 × 66,457.34
  4. Step 4: Simplify right side
    117,445.54x = 10,770,914,342.74
  5. Step 5: Solve for x
    x = 10,770,914,342.74/117,445.54
  6. Step 6: Final answer
    x = 91,709.86

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