Home / 140,004.03-209,986.38-40,172.73

Finding the Fourth Proportional to 140,004.03, 209,986.38 and 40,172.73

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Solution

The fourth proportional to 140,004.03, 209,986.38 and 40,172.73 is: 60,253.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,004.03 : 209,986.38 = 40,172.73 : x
  2. Step 2: Convert to fraction form
    140,004.03/209,986.38 = 40,172.73/x
  3. Step 3: Cross multiply
    140,004.03x = 209,986.38 × 40,172.73
  4. Step 4: Simplify right side
    140,004.03x = 8,435,726,147.42
  5. Step 5: Solve for x
    x = 8,435,726,147.42/140,004.03
  6. Step 6: Final answer
    x = 60,253.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.