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Finding the Fourth Proportional to 117,921.61, 162,732.01 and 64,206.84

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Solution

The fourth proportional to 117,921.61, 162,732.01 and 64,206.84 is: 88,605.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,921.61 : 162,732.01 = 64,206.84 : x
  2. Step 2: Convert to fraction form
    117,921.61/162,732.01 = 64,206.84/x
  3. Step 3: Cross multiply
    117,921.61x = 162,732.01 × 64,206.84
  4. Step 4: Simplify right side
    117,921.61x = 10,448,508,128.95
  5. Step 5: Solve for x
    x = 10,448,508,128.95/117,921.61
  6. Step 6: Final answer
    x = 88,605.54

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