Home / 140,680.86-211,023.54-45,910.68

Finding the Fourth Proportional to 140,680.86, 211,023.54 and 45,910.68

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Solution

The fourth proportional to 140,680.86, 211,023.54 and 45,910.68 is: 68,866.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,680.86 : 211,023.54 = 45,910.68 : x
  2. Step 2: Convert to fraction form
    140,680.86/211,023.54 = 45,910.68/x
  3. Step 3: Cross multiply
    140,680.86x = 211,023.54 × 45,910.68
  4. Step 4: Simplify right side
    140,680.86x = 9,688,234,217.41
  5. Step 5: Solve for x
    x = 9,688,234,217.41/140,680.86
  6. Step 6: Final answer
    x = 68,866.75

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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.