Home / 143,570.73-215,387.25-43,728.33

Finding the Fourth Proportional to 143,570.73, 215,387.25 and 43,728.33

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Solution

The fourth proportional to 143,570.73, 215,387.25 and 43,728.33 is: 65,601.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,570.73 : 215,387.25 = 43,728.33 : x
  2. Step 2: Convert to fraction form
    143,570.73/215,387.25 = 43,728.33/x
  3. Step 3: Cross multiply
    143,570.73x = 215,387.25 × 43,728.33
  4. Step 4: Simplify right side
    143,570.73x = 9,418,524,745.79
  5. Step 5: Solve for x
    x = 9,418,524,745.79/143,570.73
  6. Step 6: Final answer
    x = 65,601.98

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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.