Home / 213,766.12-294,925.61-123,120.27

Finding the Fourth Proportional to 213,766.12, 294,925.61 and 123,120.27

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Solution

The fourth proportional to 213,766.12, 294,925.61 and 123,120.27 is: 169,864.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,766.12 : 294,925.61 = 123,120.27 : x
  2. Step 2: Convert to fraction form
    213,766.12/294,925.61 = 123,120.27/x
  3. Step 3: Cross multiply
    213,766.12x = 294,925.61 × 123,120.27
  4. Step 4: Simplify right side
    213,766.12x = 36,311,320,733.11
  5. Step 5: Solve for x
    x = 36,311,320,733.11/213,766.12
  6. Step 6: Final answer
    x = 169,864.71

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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.