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Finding the Fourth Proportional to 103,517.62, 155,270.94 and 33,396.94

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Solution

The fourth proportional to 103,517.62, 155,270.94 and 33,396.94 is: 50,093.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,517.62 : 155,270.94 = 33,396.94 : x
  2. Step 2: Convert to fraction form
    103,517.62/155,270.94 = 33,396.94/x
  3. Step 3: Cross multiply
    103,517.62x = 155,270.94 × 33,396.94
  4. Step 4: Simplify right side
    103,517.62x = 5,185,574,266.92
  5. Step 5: Solve for x
    x = 5,185,574,266.92/103,517.62
  6. Step 6: Final answer
    x = 50,093.64

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1.5x scale

Why These Related Problems?

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