Home / 143,367.62-197,825.64-82,104.28

Finding the Fourth Proportional to 143,367.62, 197,825.64 and 82,104.28

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Solution

The fourth proportional to 143,367.62, 197,825.64 and 82,104.28 is: 113,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,367.62 : 197,825.64 = 82,104.28 : x
  2. Step 2: Convert to fraction form
    143,367.62/197,825.64 = 82,104.28/x
  3. Step 3: Cross multiply
    143,367.62x = 197,825.64 × 82,104.28
  4. Step 4: Simplify right side
    143,367.62x = 16,242,331,737.74
  5. Step 5: Solve for x
    x = 16,242,331,737.74/143,367.62
  6. Step 6: Final answer
    x = 113,291.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.