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Finding the Fourth Proportional to 103,462.80, 155,194.20 and 61,472.40

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Solution

The fourth proportional to 103,462.80, 155,194.20 and 61,472.40 is: 92,208.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,462.80 : 155,194.20 = 61,472.40 : x
  2. Step 2: Convert to fraction form
    103,462.80/155,194.20 = 61,472.40/x
  3. Step 3: Cross multiply
    103,462.80x = 155,194.20 × 61,472.40
  4. Step 4: Simplify right side
    103,462.80x = 9,540,159,940.08
  5. Step 5: Solve for x
    x = 9,540,159,940.08/103,462.80
  6. Step 6: Final answer
    x = 92,208.60

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