Home / 149,696.19-206,229.82-104,292.04

Finding the Fourth Proportional to 149,696.19, 206,229.82 and 104,292.04

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Solution

The fourth proportional to 149,696.19, 206,229.82 and 104,292.04 is: 143,678.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,696.19 : 206,229.82 = 104,292.04 : x
  2. Step 2: Convert to fraction form
    149,696.19/206,229.82 = 104,292.04/x
  3. Step 3: Cross multiply
    149,696.19x = 206,229.82 × 104,292.04
  4. Step 4: Simplify right side
    149,696.19x = 21,508,128,636.63
  5. Step 5: Solve for x
    x = 21,508,128,636.63/149,696.19
  6. Step 6: Final answer
    x = 143,678.53

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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.