Home / 140,554.19-193,963.03-80,122.82

Finding the Fourth Proportional to 140,554.19, 193,963.03 and 80,122.82

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Solution

The fourth proportional to 140,554.19, 193,963.03 and 80,122.82 is: 110,568.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,554.19 : 193,963.03 = 80,122.82 : x
  2. Step 2: Convert to fraction form
    140,554.19/193,963.03 = 80,122.82/x
  3. Step 3: Cross multiply
    140,554.19x = 193,963.03 × 80,122.82
  4. Step 4: Simplify right side
    140,554.19x = 15,540,863,769.22
  5. Step 5: Solve for x
    x = 15,540,863,769.22/140,554.19
  6. Step 6: Final answer
    x = 110,568.48

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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.