Home / 149,839.34-206,730.31-106,825.83

Finding the Fourth Proportional to 149,839.34, 206,730.31 and 106,825.83

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Solution

The fourth proportional to 149,839.34, 206,730.31 and 106,825.83 is: 147,385.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,839.34 : 206,730.31 = 106,825.83 : x
  2. Step 2: Convert to fraction form
    149,839.34/206,730.31 = 106,825.83/x
  3. Step 3: Cross multiply
    149,839.34x = 206,730.31 × 106,825.83
  4. Step 4: Simplify right side
    149,839.34x = 22,084,136,951.91
  5. Step 5: Solve for x
    x = 22,084,136,951.91/149,839.34
  6. Step 6: Final answer
    x = 147,385.44

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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.