Home / 187,730.68-259,069.26-102,847.78

Finding the Fourth Proportional to 187,730.68, 259,069.26 and 102,847.78

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Solution

The fourth proportional to 187,730.68, 259,069.26 and 102,847.78 is: 141,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,730.68 : 259,069.26 = 102,847.78 : x
  2. Step 2: Convert to fraction form
    187,730.68/259,069.26 = 102,847.78/x
  3. Step 3: Cross multiply
    187,730.68x = 259,069.26 × 102,847.78
  4. Step 4: Simplify right side
    187,730.68x = 26,644,698,257.24
  5. Step 5: Solve for x
    x = 26,644,698,257.24/187,730.68
  6. Step 6: Final answer
    x = 141,930.44

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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.