Home / 206,785.11-310,179.30-113,239.83

Finding the Fourth Proportional to 206,785.11, 310,179.30 and 113,239.83

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Solution

The fourth proportional to 206,785.11, 310,179.30 and 113,239.83 is: 169,860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,785.11 : 310,179.30 = 113,239.83 : x
  2. Step 2: Convert to fraction form
    206,785.11/310,179.30 = 113,239.83/x
  3. Step 3: Cross multiply
    206,785.11x = 310,179.30 × 113,239.83
  4. Step 4: Simplify right side
    206,785.11x = 35,124,651,201.52
  5. Step 5: Solve for x
    x = 35,124,651,201.52/206,785.11
  6. Step 6: Final answer
    x = 169,860.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.