Home / 149,446.32-206,234.57-81,463.29

Finding the Fourth Proportional to 149,446.32, 206,234.57 and 81,463.29

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Solution

The fourth proportional to 149,446.32, 206,234.57 and 81,463.29 is: 112,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,446.32 : 206,234.57 = 81,463.29 : x
  2. Step 2: Convert to fraction form
    149,446.32/206,234.57 = 81,463.29/x
  3. Step 3: Cross multiply
    149,446.32x = 206,234.57 × 81,463.29
  4. Step 4: Simplify right side
    149,446.32x = 16,800,546,787.59
  5. Step 5: Solve for x
    x = 16,800,546,787.59/149,446.32
  6. Step 6: Final answer
    x = 112,418.60

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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.