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Finding the Fourth Proportional to 159,571.69, 239,363.61 and 59,721.37

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Solution

The fourth proportional to 159,571.69, 239,363.61 and 59,721.37 is: 89,584.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,571.69 : 239,363.61 = 59,721.37 : x
  2. Step 2: Convert to fraction form
    159,571.69/239,363.61 = 59,721.37/x
  3. Step 3: Cross multiply
    159,571.69x = 239,363.61 × 59,721.37
  4. Step 4: Simplify right side
    159,571.69x = 14,295,122,717.35
  5. Step 5: Solve for x
    x = 14,295,122,717.35/159,571.69
  6. Step 6: Final answer
    x = 89,584.33

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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.