Home / 133,945.62-200,778.69-45,168.60

Finding the Fourth Proportional to 133,945.62, 200,778.69 and 45,168.60

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Solution

The fourth proportional to 133,945.62, 200,778.69 and 45,168.60 is: 67,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,945.62 : 200,778.69 = 45,168.60 : x
  2. Step 2: Convert to fraction form
    133,945.62/200,778.69 = 45,168.60/x
  3. Step 3: Cross multiply
    133,945.62x = 200,778.69 × 45,168.60
  4. Step 4: Simplify right side
    133,945.62x = 9,068,891,333.24
  5. Step 5: Solve for x
    x = 9,068,891,333.24/133,945.62
  6. Step 6: Final answer
    x = 67,705.77

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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.