Home / 126,240.12-189,227.24-41,977.64

Finding the Fourth Proportional to 126,240.12, 189,227.24 and 41,977.64

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Solution

The fourth proportional to 126,240.12, 189,227.24 and 41,977.64 is: 62,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,240.12 : 189,227.24 = 41,977.64 : x
  2. Step 2: Convert to fraction form
    126,240.12/189,227.24 = 41,977.64/x
  3. Step 3: Cross multiply
    126,240.12x = 189,227.24 × 41,977.64
  4. Step 4: Simplify right side
    126,240.12x = 7,943,313,379.51
  5. Step 5: Solve for x
    x = 7,943,313,379.51/126,240.12
  6. Step 6: Final answer
    x = 62,922.26

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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.