Home / 238,696.22-329,409.24-131,274.56

Finding the Fourth Proportional to 238,696.22, 329,409.24 and 131,274.56

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Solution

The fourth proportional to 238,696.22, 329,409.24 and 131,274.56 is: 181,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,696.22 : 329,409.24 = 131,274.56 : x
  2. Step 2: Convert to fraction form
    238,696.22/329,409.24 = 131,274.56/x
  3. Step 3: Cross multiply
    238,696.22x = 329,409.24 × 131,274.56
  4. Step 4: Simplify right side
    238,696.22x = 43,243,053,040.93
  5. Step 5: Solve for x
    x = 43,243,053,040.93/238,696.22
  6. Step 6: Final answer
    x = 181,163.54

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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.