Home / 126,161.80-189,260.12-46,189.29

Finding the Fourth Proportional to 126,161.80, 189,260.12 and 46,189.29

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Solution

The fourth proportional to 126,161.80, 189,260.12 and 46,189.29 is: 69,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,161.80 : 189,260.12 = 46,189.29 : x
  2. Step 2: Convert to fraction form
    126,161.80/189,260.12 = 46,189.29/x
  3. Step 3: Cross multiply
    126,161.80x = 189,260.12 × 46,189.29
  4. Step 4: Simplify right side
    126,161.80x = 8,741,789,390.87
  5. Step 5: Solve for x
    x = 8,741,789,390.87/126,161.80
  6. Step 6: Final answer
    x = 69,290.30

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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.