Home / 238,511.72-329,146.41-131,079.44

Finding the Fourth Proportional to 238,511.72, 329,146.41 and 131,079.44

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Solution

The fourth proportional to 238,511.72, 329,146.41 and 131,079.44 is: 180,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,511.72 : 329,146.41 = 131,079.44 : x
  2. Step 2: Convert to fraction form
    238,511.72/329,146.41 = 131,079.44/x
  3. Step 3: Cross multiply
    238,511.72x = 329,146.41 × 131,079.44
  4. Step 4: Simplify right side
    238,511.72x = 43,144,327,100.81
  5. Step 5: Solve for x
    x = 43,144,327,100.81/238,511.72
  6. Step 6: Final answer
    x = 180,889.76

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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.