Home / 126,039.51-189,048.29-41,771.97

Finding the Fourth Proportional to 126,039.51, 189,048.29 and 41,771.97

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Solution

The fourth proportional to 126,039.51, 189,048.29 and 41,771.97 is: 62,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,039.51 : 189,048.29 = 41,771.97 : x
  2. Step 2: Convert to fraction form
    126,039.51/189,048.29 = 41,771.97/x
  3. Step 3: Cross multiply
    126,039.51x = 189,048.29 × 41,771.97
  4. Step 4: Simplify right side
    126,039.51x = 7,896,919,289.57
  5. Step 5: Solve for x
    x = 7,896,919,289.57/126,039.51
  6. Step 6: Final answer
    x = 62,654.32

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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.