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Finding the Fourth Proportional to 133,620.39, 200,412.06 and 33,774.54

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Solution

The fourth proportional to 133,620.39, 200,412.06 and 33,774.54 is: 50,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,620.39 : 200,412.06 = 33,774.54 : x
  2. Step 2: Convert to fraction form
    133,620.39/200,412.06 = 33,774.54/x
  3. Step 3: Cross multiply
    133,620.39x = 200,412.06 × 33,774.54
  4. Step 4: Simplify right side
    133,620.39x = 6,768,825,136.95
  5. Step 5: Solve for x
    x = 6,768,825,136.95/133,620.39
  6. Step 6: Final answer
    x = 50,657.13

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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.