Home / 238,675.39-329,380.49-131,253.59

Finding the Fourth Proportional to 238,675.39, 329,380.49 and 131,253.59

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Solution

The fourth proportional to 238,675.39, 329,380.49 and 131,253.59 is: 181,134.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,675.39 : 329,380.49 = 131,253.59 : x
  2. Step 2: Convert to fraction form
    238,675.39/329,380.49 = 131,253.59/x
  3. Step 3: Cross multiply
    238,675.39x = 329,380.49 × 131,253.59
  4. Step 4: Simplify right side
    238,675.39x = 43,232,372,940.04
  5. Step 5: Solve for x
    x = 43,232,372,940.04/238,675.39
  6. Step 6: Final answer
    x = 181,134.61

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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.