Home / 238,919.44-329,701.84-131,489.40

Finding the Fourth Proportional to 238,919.44, 329,701.84 and 131,489.40

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Solution

The fourth proportional to 238,919.44, 329,701.84 and 131,489.40 is: 181,451.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,919.44 : 329,701.84 = 131,489.40 : x
  2. Step 2: Convert to fraction form
    238,919.44/329,701.84 = 131,489.40/x
  3. Step 3: Cross multiply
    238,919.44x = 329,701.84 × 131,489.40
  4. Step 4: Simplify right side
    238,919.44x = 43,352,297,120.50
  5. Step 5: Solve for x
    x = 43,352,297,120.50/238,919.44
  6. Step 6: Final answer
    x = 181,451.53

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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.