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Finding the Fourth Proportional to 117,555.86, 162,240.94 and 69,809.21

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Solution

The fourth proportional to 117,555.86, 162,240.94 and 69,809.21 is: 96,344.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,555.86 : 162,240.94 = 69,809.21 : x
  2. Step 2: Convert to fraction form
    117,555.86/162,240.94 = 69,809.21/x
  3. Step 3: Cross multiply
    117,555.86x = 162,240.94 × 69,809.21
  4. Step 4: Simplify right side
    117,555.86x = 11,325,912,225.00
  5. Step 5: Solve for x
    x = 11,325,912,225.00/117,555.86
  6. Step 6: Final answer
    x = 96,344.94

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