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Finding the Fourth Proportional to 133,439.97, 200,111.41 and 44,672.38

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Solution

The fourth proportional to 133,439.97, 200,111.41 and 44,672.38 is: 66,992.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,439.97 : 200,111.41 = 44,672.38 : x
  2. Step 2: Convert to fraction form
    133,439.97/200,111.41 = 44,672.38/x
  3. Step 3: Cross multiply
    133,439.97x = 200,111.41 × 44,672.38
  4. Step 4: Simplify right side
    133,439.97x = 8,939,452,949.86
  5. Step 5: Solve for x
    x = 8,939,452,949.86/133,439.97
  6. Step 6: Final answer
    x = 66,992.32

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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.