Home / 209,819.70-314,822.57-109,956.15

Finding the Fourth Proportional to 209,819.70, 314,822.57 and 109,956.15

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Solution

The fourth proportional to 209,819.70, 314,822.57 and 109,956.15 is: 164,982.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,819.70 : 314,822.57 = 109,956.15 : x
  2. Step 2: Convert to fraction form
    209,819.70/314,822.57 = 109,956.15/x
  3. Step 3: Cross multiply
    209,819.70x = 314,822.57 × 109,956.15
  4. Step 4: Simplify right side
    209,819.70x = 34,616,677,180.52
  5. Step 5: Solve for x
    x = 34,616,677,180.52/209,819.70
  6. Step 6: Final answer
    x = 164,982.97

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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.