Home / 140,329.22-210,508-45,555.44

Finding the Fourth Proportional to 140,329.22, 210,508 and 45,555.44

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Solution

The fourth proportional to 140,329.22, 210,508 and 45,555.44 is: 68,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,329.22 : 210,508 = 45,555.44 : x
  2. Step 2: Convert to fraction form
    140,329.22/210,508 = 45,555.44/x
  3. Step 3: Cross multiply
    140,329.22x = 210,508 × 45,555.44
  4. Step 4: Simplify right side
    140,329.22x = 9,589,784,563.52
  5. Step 5: Solve for x
    x = 9,589,784,563.52/140,329.22
  6. Step 6: Final answer
    x = 68,337.76

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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.