Home / 213,436.20-294,564.78-122,796.12

Finding the Fourth Proportional to 213,436.20, 294,564.78 and 122,796.12

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Solution

The fourth proportional to 213,436.20, 294,564.78 and 122,796.12 is: 169,471.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,436.20 : 294,564.78 = 122,796.12 : x
  2. Step 2: Convert to fraction form
    213,436.20/294,564.78 = 122,796.12/x
  3. Step 3: Cross multiply
    213,436.20x = 294,564.78 × 122,796.12
  4. Step 4: Simplify right side
    213,436.20x = 36,171,412,072.65
  5. Step 5: Solve for x
    x = 36,171,412,072.65/213,436.20
  6. Step 6: Final answer
    x = 169,471.78

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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.