Home / 140,745.48-211,132.05-40,906.50

Finding the Fourth Proportional to 140,745.48, 211,132.05 and 40,906.50

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Solution

The fourth proportional to 140,745.48, 211,132.05 and 40,906.50 is: 61,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,745.48 : 211,132.05 = 40,906.50 : x
  2. Step 2: Convert to fraction form
    140,745.48/211,132.05 = 40,906.50/x
  3. Step 3: Cross multiply
    140,745.48x = 211,132.05 × 40,906.50
  4. Step 4: Simplify right side
    140,745.48x = 8,636,673,203.33
  5. Step 5: Solve for x
    x = 8,636,673,203.33/140,745.48
  6. Step 6: Final answer
    x = 61,363.77

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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.