Home / 205,317.91-307,774.46-72,104.76

Finding the Fourth Proportional to 205,317.91, 307,774.46 and 72,104.76

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Solution

The fourth proportional to 205,317.91, 307,774.46 and 72,104.76 is: 108,086.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,317.91 : 307,774.46 = 72,104.76 : x
  2. Step 2: Convert to fraction form
    205,317.91/307,774.46 = 72,104.76/x
  3. Step 3: Cross multiply
    205,317.91x = 307,774.46 × 72,104.76
  4. Step 4: Simplify right side
    205,317.91x = 22,192,002,684.28
  5. Step 5: Solve for x
    x = 22,192,002,684.28/205,317.91
  6. Step 6: Final answer
    x = 108,086.05

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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.