Home / 238,695.72-329,408.55-131,274.06

Finding the Fourth Proportional to 238,695.72, 329,408.55 and 131,274.06

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Solution

The fourth proportional to 238,695.72, 329,408.55 and 131,274.06 is: 181,162.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,695.72 : 329,408.55 = 131,274.06 : x
  2. Step 2: Convert to fraction form
    238,695.72/329,408.55 = 131,274.06/x
  3. Step 3: Cross multiply
    238,695.72x = 329,408.55 × 131,274.06
  4. Step 4: Simplify right side
    238,695.72x = 43,242,797,757.21
  5. Step 5: Solve for x
    x = 43,242,797,757.21/238,695.72
  6. Step 6: Final answer
    x = 181,162.85

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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.