Home / 238,540.32-329,178.96-131,110.56

Finding the Fourth Proportional to 238,540.32, 329,178.96 and 131,110.56

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Solution

The fourth proportional to 238,540.32, 329,178.96 and 131,110.56 is: 180,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,540.32 : 329,178.96 = 131,110.56 : x
  2. Step 2: Convert to fraction form
    238,540.32/329,178.96 = 131,110.56/x
  3. Step 3: Cross multiply
    238,540.32x = 329,178.96 × 131,110.56
  4. Step 4: Simplify right side
    238,540.32x = 43,158,837,785.82
  5. Step 5: Solve for x
    x = 43,158,837,785.82/238,540.32
  6. Step 6: Final answer
    x = 180,928.90

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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.