Home / 149,717.88-206,645.42-98,739.82

Finding the Fourth Proportional to 149,717.88, 206,645.42 and 98,739.82

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Solution

The fourth proportional to 149,717.88, 206,645.42 and 98,739.82 is: 136,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,717.88 : 206,645.42 = 98,739.82 : x
  2. Step 2: Convert to fraction form
    149,717.88/206,645.42 = 98,739.82/x
  3. Step 3: Cross multiply
    149,717.88x = 206,645.42 × 98,739.82
  4. Step 4: Simplify right side
    149,717.88x = 20,404,131,574.62
  5. Step 5: Solve for x
    x = 20,404,131,574.62/149,717.88
  6. Step 6: Final answer
    x = 136,283.87

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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.