Home / 205,033.35-307,550.03-125,890.95

Finding the Fourth Proportional to 205,033.35, 307,550.03 and 125,890.95

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Solution

The fourth proportional to 205,033.35, 307,550.03 and 125,890.95 is: 188,836.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,033.35 : 307,550.03 = 125,890.95 : x
  2. Step 2: Convert to fraction form
    205,033.35/307,550.03 = 125,890.95/x
  3. Step 3: Cross multiply
    205,033.35x = 307,550.03 × 125,890.95
  4. Step 4: Simplify right side
    205,033.35x = 38,717,764,819.77
  5. Step 5: Solve for x
    x = 38,717,764,819.77/205,033.35
  6. Step 6: Final answer
    x = 188,836.43

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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.