Home / 147,819.06-203,929.89-109,149.54

Finding the Fourth Proportional to 147,819.06, 203,929.89 and 109,149.54

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Solution

The fourth proportional to 147,819.06, 203,929.89 and 109,149.54 is: 150,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,819.06 : 203,929.89 = 109,149.54 : x
  2. Step 2: Convert to fraction form
    147,819.06/203,929.89 = 109,149.54/x
  3. Step 3: Cross multiply
    147,819.06x = 203,929.89 × 109,149.54
  4. Step 4: Simplify right side
    147,819.06x = 22,258,853,685.75
  5. Step 5: Solve for x
    x = 22,258,853,685.75/147,819.06
  6. Step 6: Final answer
    x = 150,581.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.