Home / 187,617.87-258,910.05-102,734.91

Finding the Fourth Proportional to 187,617.87, 258,910.05 and 102,734.91

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Solution

The fourth proportional to 187,617.87, 258,910.05 and 102,734.91 is: 141,772.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,617.87 : 258,910.05 = 102,734.91 : x
  2. Step 2: Convert to fraction form
    187,617.87/258,910.05 = 102,734.91/x
  3. Step 3: Cross multiply
    187,617.87x = 258,910.05 × 102,734.91
  4. Step 4: Simplify right side
    187,617.87x = 26,599,100,684.85
  5. Step 5: Solve for x
    x = 26,599,100,684.85/187,617.87
  6. Step 6: Final answer
    x = 141,772.75

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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.