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Finding the Fourth Proportional to 117,715.02, 162,443.31 and 66,732.45

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Solution

The fourth proportional to 117,715.02, 162,443.31 and 66,732.45 is: 92,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,715.02 : 162,443.31 = 66,732.45 : x
  2. Step 2: Convert to fraction form
    117,715.02/162,443.31 = 66,732.45/x
  3. Step 3: Cross multiply
    117,715.02x = 162,443.31 × 66,732.45
  4. Step 4: Simplify right side
    117,715.02x = 10,840,240,062.41
  5. Step 5: Solve for x
    x = 10,840,240,062.41/117,715.02
  6. Step 6: Final answer
    x = 92,088.84

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