Home / 140,137.96-193,394.62-79,717.26

Finding the Fourth Proportional to 140,137.96, 193,394.62 and 79,717.26

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Solution

The fourth proportional to 140,137.96, 193,394.62 and 79,717.26 is: 110,012.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,137.96 : 193,394.62 = 79,717.26 : x
  2. Step 2: Convert to fraction form
    140,137.96/193,394.62 = 79,717.26/x
  3. Step 3: Cross multiply
    140,137.96x = 193,394.62 × 79,717.26
  4. Step 4: Simplify right side
    140,137.96x = 15,416,889,205.14
  5. Step 5: Solve for x
    x = 15,416,889,205.14/140,137.96
  6. Step 6: Final answer
    x = 110,012.23

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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.