Home / 140,213.03-210,321.36-40,374.86

Finding the Fourth Proportional to 140,213.03, 210,321.36 and 40,374.86

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Solution

The fourth proportional to 140,213.03, 210,321.36 and 40,374.86 is: 60,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,213.03 : 210,321.36 = 40,374.86 : x
  2. Step 2: Convert to fraction form
    140,213.03/210,321.36 = 40,374.86/x
  3. Step 3: Cross multiply
    140,213.03x = 210,321.36 × 40,374.86
  4. Step 4: Simplify right side
    140,213.03x = 8,491,694,413.40
  5. Step 5: Solve for x
    x = 8,491,694,413.40/140,213.03
  6. Step 6: Final answer
    x = 60,562.81

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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.