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Finding the Fourth Proportional to 85,045.14, 117,310.68 and 53,187.84

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Solution

The fourth proportional to 85,045.14, 117,310.68 and 53,187.84 is: 73,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,045.14 : 117,310.68 = 53,187.84 : x
  2. Step 2: Convert to fraction form
    85,045.14/117,310.68 = 53,187.84/x
  3. Step 3: Cross multiply
    85,045.14x = 117,310.68 × 53,187.84
  4. Step 4: Simplify right side
    85,045.14x = 6,239,501,678.13
  5. Step 5: Solve for x
    x = 6,239,501,678.13/85,045.14
  6. Step 6: Final answer
    x = 73,366.94

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