Home / 238,676.14-329,381.49-131,254.30

Finding the Fourth Proportional to 238,676.14, 329,381.49 and 131,254.30

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Solution

The fourth proportional to 238,676.14, 329,381.49 and 131,254.30 is: 181,135.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,676.14 : 329,381.49 = 131,254.30 : x
  2. Step 2: Convert to fraction form
    238,676.14/329,381.49 = 131,254.30/x
  3. Step 3: Cross multiply
    238,676.14x = 329,381.49 × 131,254.30
  4. Step 4: Simplify right side
    238,676.14x = 43,232,736,902.91
  5. Step 5: Solve for x
    x = 43,232,736,902.91/238,676.14
  6. Step 6: Final answer
    x = 181,135.56

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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.