Home / 143,453.88-215,180.82-38,273.22

Finding the Fourth Proportional to 143,453.88, 215,180.82 and 38,273.22

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Solution

The fourth proportional to 143,453.88, 215,180.82 and 38,273.22 is: 57,409.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,453.88 : 215,180.82 = 38,273.22 : x
  2. Step 2: Convert to fraction form
    143,453.88/215,180.82 = 38,273.22/x
  3. Step 3: Cross multiply
    143,453.88x = 215,180.82 × 38,273.22
  4. Step 4: Simplify right side
    143,453.88x = 8,235,662,863.64
  5. Step 5: Solve for x
    x = 8,235,662,863.64/143,453.88
  6. Step 6: Final answer
    x = 57,409.83

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1.5x scale

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.