Home / 188,288.28-259,843.14-103,410.81

Finding the Fourth Proportional to 188,288.28, 259,843.14 and 103,410.81

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Solution

The fourth proportional to 188,288.28, 259,843.14 and 103,410.81 is: 142,709.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,288.28 : 259,843.14 = 103,410.81 : x
  2. Step 2: Convert to fraction form
    188,288.28/259,843.14 = 103,410.81/x
  3. Step 3: Cross multiply
    188,288.28x = 259,843.14 × 103,410.81
  4. Step 4: Simplify right side
    188,288.28x = 26,870,589,580.34
  5. Step 5: Solve for x
    x = 26,870,589,580.34/188,288.28
  6. Step 6: Final answer
    x = 142,709.84

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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.