Home / 187,876.20-259,267.62-102,993.06

Finding the Fourth Proportional to 187,876.20, 259,267.62 and 102,993.06

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Solution

The fourth proportional to 187,876.20, 259,267.62 and 102,993.06 is: 142,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,876.20 : 259,267.62 = 102,993.06 : x
  2. Step 2: Convert to fraction form
    187,876.20/259,267.62 = 102,993.06/x
  3. Step 3: Cross multiply
    187,876.20x = 259,267.62 × 102,993.06
  4. Step 4: Simplify right side
    187,876.20x = 26,702,765,542.72
  5. Step 5: Solve for x
    x = 26,702,765,542.72/187,876.20
  6. Step 6: Final answer
    x = 142,129.58

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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.