Home / 140,199.88-210,268.38-40,337.80

Finding the Fourth Proportional to 140,199.88, 210,268.38 and 40,337.80

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Solution

The fourth proportional to 140,199.88, 210,268.38 and 40,337.80 is: 60,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,199.88 : 210,268.38 = 40,337.80 : x
  2. Step 2: Convert to fraction form
    140,199.88/210,268.38 = 40,337.80/x
  3. Step 3: Cross multiply
    140,199.88x = 210,268.38 × 40,337.80
  4. Step 4: Simplify right side
    140,199.88x = 8,481,763,858.76
  5. Step 5: Solve for x
    x = 8,481,763,858.76/140,199.88
  6. Step 6: Final answer
    x = 60,497.65

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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.