Home / 143,722.83-215,493.89-43,849.83

Finding the Fourth Proportional to 143,722.83, 215,493.89 and 43,849.83

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Solution

The fourth proportional to 143,722.83, 215,493.89 and 43,849.83 is: 65,747.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,722.83 : 215,493.89 = 43,849.83 : x
  2. Step 2: Convert to fraction form
    143,722.83/215,493.89 = 43,849.83/x
  3. Step 3: Cross multiply
    143,722.83x = 215,493.89 × 43,849.83
  4. Step 4: Simplify right side
    143,722.83x = 9,449,370,223.29
  5. Step 5: Solve for x
    x = 9,449,370,223.29/143,722.83
  6. Step 6: Final answer
    x = 65,747.18

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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.