Home / 133,945.23-200,778.12-45,168.22

Finding the Fourth Proportional to 133,945.23, 200,778.12 and 45,168.22

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Solution

The fourth proportional to 133,945.23, 200,778.12 and 45,168.22 is: 67,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,945.23 : 200,778.12 = 45,168.22 : x
  2. Step 2: Convert to fraction form
    133,945.23/200,778.12 = 45,168.22/x
  3. Step 3: Cross multiply
    133,945.23x = 200,778.12 × 45,168.22
  4. Step 4: Simplify right side
    133,945.23x = 9,068,790,295.35
  5. Step 5: Solve for x
    x = 9,068,790,295.35/133,945.23
  6. Step 6: Final answer
    x = 67,705.21

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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.