Home / 143,969.85-215,959.83-38,791.35

Finding the Fourth Proportional to 143,969.85, 215,959.83 and 38,791.35

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Solution

The fourth proportional to 143,969.85, 215,959.83 and 38,791.35 is: 58,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,969.85 : 215,959.83 = 38,791.35 : x
  2. Step 2: Convert to fraction form
    143,969.85/215,959.83 = 38,791.35/x
  3. Step 3: Cross multiply
    143,969.85x = 215,959.83 × 38,791.35
  4. Step 4: Simplify right side
    143,969.85x = 8,377,373,351.47
  5. Step 5: Solve for x
    x = 8,377,373,351.47/143,969.85
  6. Step 6: Final answer
    x = 58,188.39

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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.