Home / 187,825.42-259,201.38-102,942.28

Finding the Fourth Proportional to 187,825.42, 259,201.38 and 102,942.28

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Solution

The fourth proportional to 187,825.42, 259,201.38 and 102,942.28 is: 142,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,825.42 : 259,201.38 = 102,942.28 : x
  2. Step 2: Convert to fraction form
    187,825.42/259,201.38 = 102,942.28/x
  3. Step 3: Cross multiply
    187,825.42x = 259,201.38 × 102,942.28
  4. Step 4: Simplify right side
    187,825.42x = 26,682,781,036.35
  5. Step 5: Solve for x
    x = 26,682,781,036.35/187,825.42
  6. Step 6: Final answer
    x = 142,061.61

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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.