Home / 126,001.38-189,003.48-53,944.59

Finding the Fourth Proportional to 126,001.38, 189,003.48 and 53,944.59

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Solution

The fourth proportional to 126,001.38, 189,003.48 and 53,944.59 is: 80,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,001.38 : 189,003.48 = 53,944.59 : x
  2. Step 2: Convert to fraction form
    126,001.38/189,003.48 = 53,944.59/x
  3. Step 3: Cross multiply
    126,001.38x = 189,003.48 × 53,944.59
  4. Step 4: Simplify right side
    126,001.38x = 10,195,715,237.17
  5. Step 5: Solve for x
    x = 10,195,715,237.17/126,001.38
  6. Step 6: Final answer
    x = 80,917.49

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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.