Home / 140,067.46-210,069.15-40,226.86

Finding the Fourth Proportional to 140,067.46, 210,069.15 and 40,226.86

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Solution

The fourth proportional to 140,067.46, 210,069.15 and 40,226.86 is: 60,331.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,067.46 : 210,069.15 = 40,226.86 : x
  2. Step 2: Convert to fraction form
    140,067.46/210,069.15 = 40,226.86/x
  3. Step 3: Cross multiply
    140,067.46x = 210,069.15 × 40,226.86
  4. Step 4: Simplify right side
    140,067.46x = 8,450,422,287.37
  5. Step 5: Solve for x
    x = 8,450,422,287.37/140,067.46
  6. Step 6: Final answer
    x = 60,331.09

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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.