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Finding the Fourth Proportional to 112,143.40, 168,244.80 and 48,936.40

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Solution

The fourth proportional to 112,143.40, 168,244.80 and 48,936.40 is: 73,417.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,143.40 : 168,244.80 = 48,936.40 : x
  2. Step 2: Convert to fraction form
    112,143.40/168,244.80 = 48,936.40/x
  3. Step 3: Cross multiply
    112,143.40x = 168,244.80 × 48,936.40
  4. Step 4: Simplify right side
    112,143.40x = 8,233,294,830.72
  5. Step 5: Solve for x
    x = 8,233,294,830.72/112,143.40
  6. Step 6: Final answer
    x = 73,417.56

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