Home / 187,571.30-281,358.77-73,730.66

Finding the Fourth Proportional to 187,571.30, 281,358.77 and 73,730.66

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Solution

The fourth proportional to 187,571.30, 281,358.77 and 73,730.66 is: 110,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,571.30 : 281,358.77 = 73,730.66 : x
  2. Step 2: Convert to fraction form
    187,571.30/281,358.77 = 73,730.66/x
  3. Step 3: Cross multiply
    187,571.30x = 281,358.77 × 73,730.66
  4. Step 4: Simplify right side
    187,571.30x = 20,744,766,033.44
  5. Step 5: Solve for x
    x = 20,744,766,033.44/187,571.30
  6. Step 6: Final answer
    x = 110,596.70

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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.