Home / 137,360.25-206,976.38-112,947.21

Finding the Fourth Proportional to 137,360.25, 206,976.38 and 112,947.21

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Solution

The fourth proportional to 137,360.25, 206,976.38 and 112,947.21 is: 170,190.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,360.25 : 206,976.38 = 112,947.21 : x
  2. Step 2: Convert to fraction form
    137,360.25/206,976.38 = 112,947.21/x
  3. Step 3: Cross multiply
    137,360.25x = 206,976.38 × 112,947.21
  4. Step 4: Simplify right side
    137,360.25x = 23,377,404,092.16
  5. Step 5: Solve for x
    x = 23,377,404,092.16/137,360.25
  6. Step 6: Final answer
    x = 170,190.46

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.