Home / 209,104.32-313,497.76-107,793.20

Finding the Fourth Proportional to 209,104.32, 313,497.76 and 107,793.20

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Solution

The fourth proportional to 209,104.32, 313,497.76 and 107,793.20 is: 161,607.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,104.32 : 313,497.76 = 107,793.20 : x
  2. Step 2: Convert to fraction form
    209,104.32/313,497.76 = 107,793.20/x
  3. Step 3: Cross multiply
    209,104.32x = 313,497.76 × 107,793.20
  4. Step 4: Simplify right side
    209,104.32x = 33,792,926,743.23
  5. Step 5: Solve for x
    x = 33,792,926,743.23/209,104.32
  6. Step 6: Final answer
    x = 161,607.98

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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.