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Finding the Fourth Proportional to 188,110.87, 259,600.49 and 103,230.97

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Solution

The fourth proportional to 188,110.87, 259,600.49 and 103,230.97 is: 142,462.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,110.87 : 259,600.49 = 103,230.97 : x
  2. Step 2: Convert to fraction form
    188,110.87/259,600.49 = 103,230.97/x
  3. Step 3: Cross multiply
    188,110.87x = 259,600.49 × 103,230.97
  4. Step 4: Simplify right side
    188,110.87x = 26,798,810,395.18
  5. Step 5: Solve for x
    x = 26,798,810,395.18/188,110.87
  6. Step 6: Final answer
    x = 142,462.85

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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.