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Finding the Fourth Proportional to 103,437.60, 155,183.40 and 33,318.60

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Solution

The fourth proportional to 103,437.60, 155,183.40 and 33,318.60 is: 49,986.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,437.60 : 155,183.40 = 33,318.60 : x
  2. Step 2: Convert to fraction form
    103,437.60/155,183.40 = 33,318.60/x
  3. Step 3: Cross multiply
    103,437.60x = 155,183.40 × 33,318.60
  4. Step 4: Simplify right side
    103,437.60x = 5,170,493,631.24
  5. Step 5: Solve for x
    x = 5,170,493,631.24/103,437.60
  6. Step 6: Final answer
    x = 49,986.60

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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.