Home / 213,917.10-295,119.18-123,224.46

Finding the Fourth Proportional to 213,917.10, 295,119.18 and 123,224.46

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Solution

The fourth proportional to 213,917.10, 295,119.18 and 123,224.46 is: 169,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,917.10 : 295,119.18 = 123,224.46 : x
  2. Step 2: Convert to fraction form
    213,917.10/295,119.18 = 123,224.46/x
  3. Step 3: Cross multiply
    213,917.10x = 295,119.18 × 123,224.46
  4. Step 4: Simplify right side
    213,917.10x = 36,365,901,591.14
  5. Step 5: Solve for x
    x = 36,365,901,591.14/213,917.10
  6. Step 6: Final answer
    x = 169,999.97

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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.