Home / 156,270.22-234,408.76-108,191.45

Finding the Fourth Proportional to 156,270.22, 234,408.76 and 108,191.45

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Solution

The fourth proportional to 156,270.22, 234,408.76 and 108,191.45 is: 162,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,270.22 : 234,408.76 = 108,191.45 : x
  2. Step 2: Convert to fraction form
    156,270.22/234,408.76 = 108,191.45/x
  3. Step 3: Cross multiply
    156,270.22x = 234,408.76 × 108,191.45
  4. Step 4: Simplify right side
    156,270.22x = 25,361,023,952.65
  5. Step 5: Solve for x
    x = 25,361,023,952.65/156,270.22
  6. Step 6: Final answer
    x = 162,289.55

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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.