Home / 209,819.83-314,822.78-109,956.28

Finding the Fourth Proportional to 209,819.83, 314,822.78 and 109,956.28

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Solution

The fourth proportional to 209,819.83, 314,822.78 and 109,956.28 is: 164,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,819.83 : 314,822.78 = 109,956.28 : x
  2. Step 2: Convert to fraction form
    209,819.83/314,822.78 = 109,956.28/x
  3. Step 3: Cross multiply
    209,819.83x = 314,822.78 × 109,956.28
  4. Step 4: Simplify right side
    209,819.83x = 34,616,741,198.28
  5. Step 5: Solve for x
    x = 34,616,741,198.28/209,819.83
  6. Step 6: Final answer
    x = 164,983.17

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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.