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Finding the Fourth Proportional to 117,048.56, 161,515.32 and 66,056.36

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Solution

The fourth proportional to 117,048.56, 161,515.32 and 66,056.36 is: 91,151.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,048.56 : 161,515.32 = 66,056.36 : x
  2. Step 2: Convert to fraction form
    117,048.56/161,515.32 = 66,056.36/x
  3. Step 3: Cross multiply
    117,048.56x = 161,515.32 × 66,056.36
  4. Step 4: Simplify right side
    117,048.56x = 10,669,114,123.44
  5. Step 5: Solve for x
    x = 10,669,114,123.44/117,048.56
  6. Step 6: Final answer
    x = 91,151.18

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