Home / 236,136.73-325,865.82-128,706.43

Finding the Fourth Proportional to 236,136.73, 325,865.82 and 128,706.43

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Solution

The fourth proportional to 236,136.73, 325,865.82 and 128,706.43 is: 177,613.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,136.73 : 325,865.82 = 128,706.43 : x
  2. Step 2: Convert to fraction form
    236,136.73/325,865.82 = 128,706.43/x
  3. Step 3: Cross multiply
    236,136.73x = 325,865.82 × 128,706.43
  4. Step 4: Simplify right side
    236,136.73x = 41,941,026,351.22
  5. Step 5: Solve for x
    x = 41,941,026,351.22/236,136.73
  6. Step 6: Final answer
    x = 177,613.31

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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.