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Finding the Fourth Proportional to 123,504.40, 185,305.20 and 48,611.80

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Solution

The fourth proportional to 123,504.40, 185,305.20 and 48,611.80 is: 72,936.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,504.40 : 185,305.20 = 48,611.80 : x
  2. Step 2: Convert to fraction form
    123,504.40/185,305.20 = 48,611.80/x
  3. Step 3: Cross multiply
    123,504.40x = 185,305.20 × 48,611.80
  4. Step 4: Simplify right side
    123,504.40x = 9,008,019,321.36
  5. Step 5: Solve for x
    x = 9,008,019,321.36/123,504.40
  6. Step 6: Final answer
    x = 72,936.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.