Home / 149,695.94-206,229.49-104,291.79

Finding the Fourth Proportional to 149,695.94, 206,229.49 and 104,291.79

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Solution

The fourth proportional to 149,695.94, 206,229.49 and 104,291.79 is: 143,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,695.94 : 206,229.49 = 104,291.79 : x
  2. Step 2: Convert to fraction form
    149,695.94/206,229.49 = 104,291.79/x
  3. Step 3: Cross multiply
    149,695.94x = 206,229.49 × 104,291.79
  4. Step 4: Simplify right side
    149,695.94x = 21,508,042,141.43
  5. Step 5: Solve for x
    x = 21,508,042,141.43/149,695.94
  6. Step 6: Final answer
    x = 143,678.20

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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.