Home / 143,575.85-215,355.92-43,727.69

Finding the Fourth Proportional to 143,575.85, 215,355.92 and 43,727.69

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Solution

The fourth proportional to 143,575.85, 215,355.92 and 43,727.69 is: 65,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,575.85 : 215,355.92 = 43,727.69 : x
  2. Step 2: Convert to fraction form
    143,575.85/215,355.92 = 43,727.69/x
  3. Step 3: Cross multiply
    143,575.85x = 215,355.92 × 43,727.69
  4. Step 4: Simplify right side
    143,575.85x = 9,417,015,614.01
  5. Step 5: Solve for x
    x = 9,417,015,614.01/143,575.85
  6. Step 6: Final answer
    x = 65,589.14

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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.