Home / 213,939.40-295,234.34-123,262.12

Finding the Fourth Proportional to 213,939.40, 295,234.34 and 123,262.12

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Solution

The fourth proportional to 213,939.40, 295,234.34 and 123,262.12 is: 170,100.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,939.40 : 295,234.34 = 123,262.12 : x
  2. Step 2: Convert to fraction form
    213,939.40/295,234.34 = 123,262.12/x
  3. Step 3: Cross multiply
    213,939.40x = 295,234.34 × 123,262.12
  4. Step 4: Simplify right side
    213,939.40x = 36,391,210,645.20
  5. Step 5: Solve for x
    x = 36,391,210,645.20/213,939.40
  6. Step 6: Final answer
    x = 170,100.55

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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.