Home / 199,781.40-275,701.41-109,136.73

Finding the Fourth Proportional to 199,781.40, 275,701.41 and 109,136.73

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Solution

The fourth proportional to 199,781.40, 275,701.41 and 109,136.73 is: 150,610.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,781.40 : 275,701.41 = 109,136.73 : x
  2. Step 2: Convert to fraction form
    199,781.40/275,701.41 = 109,136.73/x
  3. Step 3: Cross multiply
    199,781.40x = 275,701.41 × 109,136.73
  4. Step 4: Simplify right side
    199,781.40x = 30,089,150,343.79
  5. Step 5: Solve for x
    x = 30,089,150,343.79/199,781.40
  6. Step 6: Final answer
    x = 150,610.37

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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.