Home / 213,635.42-294,727.83-122,969.69

Finding the Fourth Proportional to 213,635.42, 294,727.83 and 122,969.69

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Solution

The fourth proportional to 213,635.42, 294,727.83 and 122,969.69 is: 169,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,635.42 : 294,727.83 = 122,969.69 : x
  2. Step 2: Convert to fraction form
    213,635.42/294,727.83 = 122,969.69/x
  3. Step 3: Cross multiply
    213,635.42x = 294,727.83 × 122,969.69
  4. Step 4: Simplify right side
    213,635.42x = 36,242,587,954.70
  5. Step 5: Solve for x
    x = 36,242,587,954.70/213,635.42
  6. Step 6: Final answer
    x = 169,646.91

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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.