Home / 213,163.32-294,161.58-122,518.20

Finding the Fourth Proportional to 213,163.32, 294,161.58 and 122,518.20

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Solution

The fourth proportional to 213,163.32, 294,161.58 and 122,518.20 is: 169,072.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,163.32 : 294,161.58 = 122,518.20 : x
  2. Step 2: Convert to fraction form
    213,163.32/294,161.58 = 122,518.20/x
  3. Step 3: Cross multiply
    213,163.32x = 294,161.58 × 122,518.20
  4. Step 4: Simplify right side
    213,163.32x = 36,040,147,290.76
  5. Step 5: Solve for x
    x = 36,040,147,290.76/213,163.32
  6. Step 6: Final answer
    x = 169,072.93

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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.