Home / 149,650.27-206,521.73-81,671.62

Finding the Fourth Proportional to 149,650.27, 206,521.73 and 81,671.62

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Solution

The fourth proportional to 149,650.27, 206,521.73 and 81,671.62 is: 112,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,650.27 : 206,521.73 = 81,671.62 : x
  2. Step 2: Convert to fraction form
    149,650.27/206,521.73 = 81,671.62/x
  3. Step 3: Cross multiply
    149,650.27x = 206,521.73 × 81,671.62
  4. Step 4: Simplify right side
    149,650.27x = 16,866,964,305.35
  5. Step 5: Solve for x
    x = 16,866,964,305.35/149,650.27
  6. Step 6: Final answer
    x = 112,709.21

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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.