Home / 131,916.76-197,546.88-92,288.32

Finding the Fourth Proportional to 131,916.76, 197,546.88 and 92,288.32

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Solution

The fourth proportional to 131,916.76, 197,546.88 and 92,288.32 is: 138,202.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,916.76 : 197,546.88 = 92,288.32 : x
  2. Step 2: Convert to fraction form
    131,916.76/197,546.88 = 92,288.32/x
  3. Step 3: Cross multiply
    131,916.76x = 197,546.88 × 92,288.32
  4. Step 4: Simplify right side
    131,916.76x = 18,231,269,676.44
  5. Step 5: Solve for x
    x = 18,231,269,676.44/131,916.76
  6. Step 6: Final answer
    x = 138,202.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.