Home / 213,235.32-294,282.08-122,620.62

Finding the Fourth Proportional to 213,235.32, 294,282.08 and 122,620.62

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Solution

The fourth proportional to 213,235.32, 294,282.08 and 122,620.62 is: 169,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,235.32 : 294,282.08 = 122,620.62 : x
  2. Step 2: Convert to fraction form
    213,235.32/294,282.08 = 122,620.62/x
  3. Step 3: Cross multiply
    213,235.32x = 294,282.08 × 122,620.62
  4. Step 4: Simplify right side
    213,235.32x = 36,085,051,104.49
  5. Step 5: Solve for x
    x = 36,085,051,104.49/213,235.32
  6. Step 6: Final answer
    x = 169,226.43

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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.