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Finding the Fourth Proportional to 126,503.66, 189,755.42 and 33,009.41

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Solution

The fourth proportional to 126,503.66, 189,755.42 and 33,009.41 is: 49,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,503.66 : 189,755.42 = 33,009.41 : x
  2. Step 2: Convert to fraction form
    126,503.66/189,755.42 = 33,009.41/x
  3. Step 3: Cross multiply
    126,503.66x = 189,755.42 × 33,009.41
  4. Step 4: Simplify right side
    126,503.66x = 6,263,715,015.41
  5. Step 5: Solve for x
    x = 6,263,715,015.41/126,503.66
  6. Step 6: Final answer
    x = 49,514.10

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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.