Home / 213,164.32-294,162.96-122,519.20

Finding the Fourth Proportional to 213,164.32, 294,162.96 and 122,519.20

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Solution

The fourth proportional to 213,164.32, 294,162.96 and 122,519.20 is: 169,074.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,164.32 : 294,162.96 = 122,519.20 : x
  2. Step 2: Convert to fraction form
    213,164.32/294,162.96 = 122,519.20/x
  3. Step 3: Cross multiply
    213,164.32x = 294,162.96 × 122,519.20
  4. Step 4: Simplify right side
    213,164.32x = 36,040,610,528.83
  5. Step 5: Solve for x
    x = 36,040,610,528.83/213,164.32
  6. Step 6: Final answer
    x = 169,074.31

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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.