Home / 179,335.82-247,213.01-147,449.36

Finding the Fourth Proportional to 179,335.82, 247,213.01 and 147,449.36

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Solution

The fourth proportional to 179,335.82, 247,213.01 and 147,449.36 is: 203,257.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,335.82 : 247,213.01 = 147,449.36 : x
  2. Step 2: Convert to fraction form
    179,335.82/247,213.01 = 147,449.36/x
  3. Step 3: Cross multiply
    179,335.82x = 247,213.01 × 147,449.36
  4. Step 4: Simplify right side
    179,335.82x = 36,451,401,094.83
  5. Step 5: Solve for x
    x = 36,451,401,094.83/179,335.82
  6. Step 6: Final answer
    x = 203,257.78

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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.