Home / 213,738.28-320,681.10-95,491.24

Finding the Fourth Proportional to 213,738.28, 320,681.10 and 95,491.24

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Solution

The fourth proportional to 213,738.28, 320,681.10 and 95,491.24 is: 143,269.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,738.28 : 320,681.10 = 95,491.24 : x
  2. Step 2: Convert to fraction form
    213,738.28/320,681.10 = 95,491.24/x
  3. Step 3: Cross multiply
    213,738.28x = 320,681.10 × 95,491.24
  4. Step 4: Simplify right side
    213,738.28x = 30,622,235,883.56
  5. Step 5: Solve for x
    x = 30,622,235,883.56/213,738.28
  6. Step 6: Final answer
    x = 143,269.78

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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.