Home / 188,118.39-259,593.03-103,228.77

Finding the Fourth Proportional to 188,118.39, 259,593.03 and 103,228.77

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Solution

The fourth proportional to 188,118.39, 259,593.03 and 103,228.77 is: 142,450.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,118.39 : 259,593.03 = 103,228.77 : x
  2. Step 2: Convert to fraction form
    188,118.39/259,593.03 = 103,228.77/x
  3. Step 3: Cross multiply
    188,118.39x = 259,593.03 × 103,228.77
  4. Step 4: Simplify right side
    188,118.39x = 26,797,469,187.47
  5. Step 5: Solve for x
    x = 26,797,469,187.47/188,118.39
  6. Step 6: Final answer
    x = 142,450.02

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1.5x scale

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.