Home / 188,126.94-259,601.68-107,557.86

Finding the Fourth Proportional to 188,126.94, 259,601.68 and 107,557.86

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Solution

The fourth proportional to 188,126.94, 259,601.68 and 107,557.86 is: 148,422.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,126.94 : 259,601.68 = 107,557.86 : x
  2. Step 2: Convert to fraction form
    188,126.94/259,601.68 = 107,557.86/x
  3. Step 3: Cross multiply
    188,126.94x = 259,601.68 × 107,557.86
  4. Step 4: Simplify right side
    188,126.94x = 27,922,201,153.20
  5. Step 5: Solve for x
    x = 27,922,201,153.20/188,126.94
  6. Step 6: Final answer
    x = 148,422.13

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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.