Home / 209,550.21-314,105.22-102,786.34

Finding the Fourth Proportional to 209,550.21, 314,105.22 and 102,786.34

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Solution

The fourth proportional to 209,550.21, 314,105.22 and 102,786.34 is: 154,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,550.21 : 314,105.22 = 102,786.34 : x
  2. Step 2: Convert to fraction form
    209,550.21/314,105.22 = 102,786.34/x
  3. Step 3: Cross multiply
    209,550.21x = 314,105.22 × 102,786.34
  4. Step 4: Simplify right side
    209,550.21x = 32,285,725,938.69
  5. Step 5: Solve for x
    x = 32,285,725,938.69/209,550.21
  6. Step 6: Final answer
    x = 154,071.55

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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.