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Finding the Fourth Proportional to 117,722.36, 162,457.70 and 64,007.32

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Solution

The fourth proportional to 117,722.36, 162,457.70 and 64,007.32 is: 88,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,722.36 : 162,457.70 = 64,007.32 : x
  2. Step 2: Convert to fraction form
    117,722.36/162,457.70 = 64,007.32/x
  3. Step 3: Cross multiply
    117,722.36x = 162,457.70 × 64,007.32
  4. Step 4: Simplify right side
    117,722.36x = 10,398,481,990.36
  5. Step 5: Solve for x
    x = 10,398,481,990.36/117,722.36
  6. Step 6: Final answer
    x = 88,330.56

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