Home / 212,279.92-292,945.85-116,786.39

Finding the Fourth Proportional to 212,279.92, 292,945.85 and 116,786.39

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Solution

The fourth proportional to 212,279.92, 292,945.85 and 116,786.39 is: 161,164.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,279.92 : 292,945.85 = 116,786.39 : x
  2. Step 2: Convert to fraction form
    212,279.92/292,945.85 = 116,786.39/x
  3. Step 3: Cross multiply
    212,279.92x = 292,945.85 × 116,786.39
  4. Step 4: Simplify right side
    212,279.92x = 34,212,086,676.27
  5. Step 5: Solve for x
    x = 34,212,086,676.27/212,279.92
  6. Step 6: Final answer
    x = 161,164.97

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1.5x scale

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.