Home / 130,949.82-196,456.17-42,211.74

Finding the Fourth Proportional to 130,949.82, 196,456.17 and 42,211.74

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Solution

The fourth proportional to 130,949.82, 196,456.17 and 42,211.74 is: 63,327.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,949.82 : 196,456.17 = 42,211.74 : x
  2. Step 2: Convert to fraction form
    130,949.82/196,456.17 = 42,211.74/x
  3. Step 3: Cross multiply
    130,949.82x = 196,456.17 × 42,211.74
  4. Step 4: Simplify right side
    130,949.82x = 8,292,756,769.44
  5. Step 5: Solve for x
    x = 8,292,756,769.44/130,949.82
  6. Step 6: Final answer
    x = 63,327.74

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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.