Home / 213,938.74-295,162.92-123,291.85

Finding the Fourth Proportional to 213,938.74, 295,162.92 and 123,291.85

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Solution

The fourth proportional to 213,938.74, 295,162.92 and 123,291.85 is: 170,100.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,938.74 : 295,162.92 = 123,291.85 : x
  2. Step 2: Convert to fraction form
    213,938.74/295,162.92 = 123,291.85/x
  3. Step 3: Cross multiply
    213,938.74x = 295,162.92 × 123,291.85
  4. Step 4: Simplify right side
    213,938.74x = 36,391,182,458.20
  5. Step 5: Solve for x
    x = 36,391,182,458.20/213,938.74
  6. Step 6: Final answer
    x = 170,100.95

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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.