Home / 208,351.37-312,383.44-82,006.12

Finding the Fourth Proportional to 208,351.37, 312,383.44 and 82,006.12

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Solution

The fourth proportional to 208,351.37, 312,383.44 and 82,006.12 is: 122,952.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,351.37 : 312,383.44 = 82,006.12 : x
  2. Step 2: Convert to fraction form
    208,351.37/312,383.44 = 82,006.12/x
  3. Step 3: Cross multiply
    208,351.37x = 312,383.44 × 82,006.12
  4. Step 4: Simplify right side
    208,351.37x = 25,617,353,456.62
  5. Step 5: Solve for x
    x = 25,617,353,456.62/208,351.37
  6. Step 6: Final answer
    x = 122,952.65

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1.5x scale

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.