Home / 143,589.14-215,415.83-43,757.15

Finding the Fourth Proportional to 143,589.14, 215,415.83 and 43,757.15

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Solution

The fourth proportional to 143,589.14, 215,415.83 and 43,757.15 is: 65,645.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,589.14 : 215,415.83 = 43,757.15 : x
  2. Step 2: Convert to fraction form
    143,589.14/215,415.83 = 43,757.15/x
  3. Step 3: Cross multiply
    143,589.14x = 215,415.83 × 43,757.15
  4. Step 4: Simplify right side
    143,589.14x = 9,425,981,489.82
  5. Step 5: Solve for x
    x = 9,425,981,489.82/143,589.14
  6. Step 6: Final answer
    x = 65,645.51

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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.