Home / 143,164.39-197,584.28-82,735.53

Finding the Fourth Proportional to 143,164.39, 197,584.28 and 82,735.53

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Solution

The fourth proportional to 143,164.39, 197,584.28 and 82,735.53 is: 114,185.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,164.39 : 197,584.28 = 82,735.53 : x
  2. Step 2: Convert to fraction form
    143,164.39/197,584.28 = 82,735.53/x
  3. Step 3: Cross multiply
    143,164.39x = 197,584.28 × 82,735.53
  4. Step 4: Simplify right side
    143,164.39x = 16,347,239,137.55
  5. Step 5: Solve for x
    x = 16,347,239,137.55/143,164.39
  6. Step 6: Final answer
    x = 114,185.10

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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.