Home / 140,067.60-210,069.36-40,227

Finding the Fourth Proportional to 140,067.60, 210,069.36 and 40,227

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Solution

The fourth proportional to 140,067.60, 210,069.36 and 40,227 is: 60,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,067.60 : 210,069.36 = 40,227 : x
  2. Step 2: Convert to fraction form
    140,067.60/210,069.36 = 40,227/x
  3. Step 3: Cross multiply
    140,067.60x = 210,069.36 × 40,227
  4. Step 4: Simplify right side
    140,067.60x = 8,450,460,144.72
  5. Step 5: Solve for x
    x = 8,450,460,144.72/140,067.60
  6. Step 6: Final answer
    x = 60,331.30

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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.