Home / 105,947.82-146,172.33-60,001.20

Finding the Fourth Proportional to 105,947.82, 146,172.33 and 60,001.20

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Solution

The fourth proportional to 105,947.82, 146,172.33 and 60,001.20 is: 82,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,947.82 : 146,172.33 = 60,001.20 : x
  2. Step 2: Convert to fraction form
    105,947.82/146,172.33 = 60,001.20/x
  3. Step 3: Cross multiply
    105,947.82x = 146,172.33 × 60,001.20
  4. Step 4: Simplify right side
    105,947.82x = 8,770,515,206.80
  5. Step 5: Solve for x
    x = 8,770,515,206.80/105,947.82
  6. Step 6: Final answer
    x = 82,781.46

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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.