Home / 238,677.35-329,383.22-131,255.55

Finding the Fourth Proportional to 238,677.35, 329,383.22 and 131,255.55

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Solution

The fourth proportional to 238,677.35, 329,383.22 and 131,255.55 is: 181,137.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,677.35 : 329,383.22 = 131,255.55 : x
  2. Step 2: Convert to fraction form
    238,677.35/329,383.22 = 131,255.55/x
  3. Step 3: Cross multiply
    238,677.35x = 329,383.22 × 131,255.55
  4. Step 4: Simplify right side
    238,677.35x = 43,233,375,045.59
  5. Step 5: Solve for x
    x = 43,233,375,045.59/238,677.35
  6. Step 6: Final answer
    x = 181,137.32

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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.