Home / 136,212.51-187,866.75-88,481.23

Finding the Fourth Proportional to 136,212.51, 187,866.75 and 88,481.23

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Solution

The fourth proportional to 136,212.51, 187,866.75 and 88,481.23 is: 122,034.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,212.51 : 187,866.75 = 88,481.23 : x
  2. Step 2: Convert to fraction form
    136,212.51/187,866.75 = 88,481.23/x
  3. Step 3: Cross multiply
    136,212.51x = 187,866.75 × 88,481.23
  4. Step 4: Simplify right side
    136,212.51x = 16,622,681,116.10
  5. Step 5: Solve for x
    x = 16,622,681,116.10/136,212.51
  6. Step 6: Final answer
    x = 122,034.91

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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.