Home / 103,724.70-155,663.85-41,439.90

Finding the Fourth Proportional to 103,724.70, 155,663.85 and 41,439.90

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Solution

The fourth proportional to 103,724.70, 155,663.85 and 41,439.90 is: 62,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,724.70 : 155,663.85 = 41,439.90 : x
  2. Step 2: Convert to fraction form
    103,724.70/155,663.85 = 41,439.90/x
  3. Step 3: Cross multiply
    103,724.70x = 155,663.85 × 41,439.90
  4. Step 4: Simplify right side
    103,724.70x = 6,450,694,377.62
  5. Step 5: Solve for x
    x = 6,450,694,377.62/103,724.70
  6. Step 6: Final answer
    x = 62,190.53

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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.