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Finding the Fourth Proportional to 112,652.92, 155,458.68 and 61,664.40

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Solution

The fourth proportional to 112,652.92, 155,458.68 and 61,664.40 is: 85,095.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,652.92 : 155,458.68 = 61,664.40 : x
  2. Step 2: Convert to fraction form
    112,652.92/155,458.68 = 61,664.40/x
  3. Step 3: Cross multiply
    112,652.92x = 155,458.68 × 61,664.40
  4. Step 4: Simplify right side
    112,652.92x = 9,586,266,226.99
  5. Step 5: Solve for x
    x = 9,586,266,226.99/112,652.92
  6. Step 6: Final answer
    x = 85,095.59

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