Home / 209,819.82-314,822.78-109,956.29

Finding the Fourth Proportional to 209,819.82, 314,822.78 and 109,956.29

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Solution

The fourth proportional to 209,819.82, 314,822.78 and 109,956.29 is: 164,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,819.82 : 314,822.78 = 109,956.29 : x
  2. Step 2: Convert to fraction form
    209,819.82/314,822.78 = 109,956.29/x
  3. Step 3: Cross multiply
    209,819.82x = 314,822.78 × 109,956.29
  4. Step 4: Simplify right side
    209,819.82x = 34,616,744,896.29
  5. Step 5: Solve for x
    x = 34,616,744,896.29/209,819.82
  6. Step 6: Final answer
    x = 164,983.20

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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.