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Finding the Fourth Proportional to 133,609.60, 200,414.40 and 122,723.20

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Solution

The fourth proportional to 133,609.60, 200,414.40 and 122,723.20 is: 184,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,609.60 : 200,414.40 = 122,723.20 : x
  2. Step 2: Convert to fraction form
    133,609.60/200,414.40 = 122,723.20/x
  3. Step 3: Cross multiply
    133,609.60x = 200,414.40 × 122,723.20
  4. Step 4: Simplify right side
    133,609.60x = 24,595,496,494.08
  5. Step 5: Solve for x
    x = 24,595,496,494.08/133,609.60
  6. Step 6: Final answer
    x = 184,084.80

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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.