Home / 213,767.12-294,926.99-123,121.27

Finding the Fourth Proportional to 213,767.12, 294,926.99 and 123,121.27

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Solution

The fourth proportional to 213,767.12, 294,926.99 and 123,121.27 is: 169,866.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,767.12 : 294,926.99 = 123,121.27 : x
  2. Step 2: Convert to fraction form
    213,767.12/294,926.99 = 123,121.27/x
  3. Step 3: Cross multiply
    213,767.12x = 294,926.99 × 123,121.27
  4. Step 4: Simplify right side
    213,767.12x = 36,311,785,566.08
  5. Step 5: Solve for x
    x = 36,311,785,566.08/213,767.12
  6. Step 6: Final answer
    x = 169,866.09

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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.