Home / 213,078.33-294,098.43-122,486.85

Finding the Fourth Proportional to 213,078.33, 294,098.43 and 122,486.85

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Solution

The fourth proportional to 213,078.33, 294,098.43 and 122,486.85 is: 169,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,078.33 : 294,098.43 = 122,486.85 : x
  2. Step 2: Convert to fraction form
    213,078.33/294,098.43 = 122,486.85/x
  3. Step 3: Cross multiply
    213,078.33x = 294,098.43 × 122,486.85
  4. Step 4: Simplify right side
    213,078.33x = 36,023,190,280.65
  5. Step 5: Solve for x
    x = 36,023,190,280.65/213,078.33
  6. Step 6: Final answer
    x = 169,060.79

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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.