Home / 143,084.25-197,465.49-82,657.44

Finding the Fourth Proportional to 143,084.25, 197,465.49 and 82,657.44

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Solution

The fourth proportional to 143,084.25, 197,465.49 and 82,657.44 is: 114,072.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,084.25 : 197,465.49 = 82,657.44 : x
  2. Step 2: Convert to fraction form
    143,084.25/197,465.49 = 82,657.44/x
  3. Step 3: Cross multiply
    143,084.25x = 197,465.49 × 82,657.44
  4. Step 4: Simplify right side
    143,084.25x = 16,321,991,891.75
  5. Step 5: Solve for x
    x = 16,321,991,891.75/143,084.25
  6. Step 6: Final answer
    x = 114,072.60

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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.