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Finding the Fourth Proportional to 133,552.32, 200,229.12 and 80,949.12

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Solution

The fourth proportional to 133,552.32, 200,229.12 and 80,949.12 is: 121,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,552.32 : 200,229.12 = 80,949.12 : x
  2. Step 2: Convert to fraction form
    133,552.32/200,229.12 = 80,949.12/x
  3. Step 3: Cross multiply
    133,552.32x = 200,229.12 × 80,949.12
  4. Step 4: Simplify right side
    133,552.32x = 16,208,371,062.37
  5. Step 5: Solve for x
    x = 16,208,371,062.37/133,552.32
  6. Step 6: Final answer
    x = 121,363.46

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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.