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Finding the Fourth Proportional to 100,517.52, 150,759.85 and 33,956.17

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Solution

The fourth proportional to 100,517.52, 150,759.85 and 33,956.17 is: 50,928.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,517.52 : 150,759.85 = 33,956.17 : x
  2. Step 2: Convert to fraction form
    100,517.52/150,759.85 = 33,956.17/x
  3. Step 3: Cross multiply
    100,517.52x = 150,759.85 × 33,956.17
  4. Step 4: Simplify right side
    100,517.52x = 5,119,227,095.77
  5. Step 5: Solve for x
    x = 5,119,227,095.77/100,517.52
  6. Step 6: Final answer
    x = 50,928.70

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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.