Home / 213,238.85-294,286.91-122,624.15

Finding the Fourth Proportional to 213,238.85, 294,286.91 and 122,624.15

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Solution

The fourth proportional to 213,238.85, 294,286.91 and 122,624.15 is: 169,231.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,238.85 : 294,286.91 = 122,624.15 : x
  2. Step 2: Convert to fraction form
    213,238.85/294,286.91 = 122,624.15/x
  3. Step 3: Cross multiply
    213,238.85x = 294,286.91 × 122,624.15
  4. Step 4: Simplify right side
    213,238.85x = 36,086,680,110.32
  5. Step 5: Solve for x
    x = 36,086,680,110.32/213,238.85
  6. Step 6: Final answer
    x = 169,231.27

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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.