Home / 238,725.78-329,434.99-131,295.84

Finding the Fourth Proportional to 238,725.78, 329,434.99 and 131,295.84

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Solution

The fourth proportional to 238,725.78, 329,434.99 and 131,295.84 is: 181,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,725.78 : 329,434.99 = 131,295.84 : x
  2. Step 2: Convert to fraction form
    238,725.78/329,434.99 = 131,295.84/x
  3. Step 3: Cross multiply
    238,725.78x = 329,434.99 × 131,295.84
  4. Step 4: Simplify right side
    238,725.78x = 43,253,443,737.44
  5. Step 5: Solve for x
    x = 43,253,443,737.44/238,725.78
  6. Step 6: Final answer
    x = 181,184.64

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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.