Home / 143,825.24-215,703.25-43,986.30

Finding the Fourth Proportional to 143,825.24, 215,703.25 and 43,986.30

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Solution

The fourth proportional to 143,825.24, 215,703.25 and 43,986.30 is: 65,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,825.24 : 215,703.25 = 43,986.30 : x
  2. Step 2: Convert to fraction form
    143,825.24/215,703.25 = 43,986.30/x
  3. Step 3: Cross multiply
    143,825.24x = 215,703.25 × 43,986.30
  4. Step 4: Simplify right side
    143,825.24x = 9,487,987,865.48
  5. Step 5: Solve for x
    x = 9,487,987,865.48/143,825.24
  6. Step 6: Final answer
    x = 65,968.87

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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.