Home / 126,029.24-188,950.14-54,938.40

Finding the Fourth Proportional to 126,029.24, 188,950.14 and 54,938.40

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Solution

The fourth proportional to 126,029.24, 188,950.14 and 54,938.40 is: 82,366.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029.24 : 188,950.14 = 54,938.40 : x
  2. Step 2: Convert to fraction form
    126,029.24/188,950.14 = 54,938.40/x
  3. Step 3: Cross multiply
    126,029.24x = 188,950.14 × 54,938.40
  4. Step 4: Simplify right side
    126,029.24x = 10,380,618,371.38
  5. Step 5: Solve for x
    x = 10,380,618,371.38/126,029.24
  6. Step 6: Final answer
    x = 82,366.75

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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.