Home / 124,974.30-172,796.31-109,227.90

Finding the Fourth Proportional to 124,974.30, 172,796.31 and 109,227.90

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Solution

The fourth proportional to 124,974.30, 172,796.31 and 109,227.90 is: 151,024.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,974.30 : 172,796.31 = 109,227.90 : x
  2. Step 2: Convert to fraction form
    124,974.30/172,796.31 = 109,227.90/x
  3. Step 3: Cross multiply
    124,974.30x = 172,796.31 × 109,227.90
  4. Step 4: Simplify right side
    124,974.30x = 18,874,178,069.05
  5. Step 5: Solve for x
    x = 18,874,178,069.05/124,974.30
  6. Step 6: Final answer
    x = 151,024.48

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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.