Home / 161,766.20-242,649.30-102,668.60

Finding the Fourth Proportional to 161,766.20, 242,649.30 and 102,668.60

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Solution

The fourth proportional to 161,766.20, 242,649.30 and 102,668.60 is: 154,002.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,766.20 : 242,649.30 = 102,668.60 : x
  2. Step 2: Convert to fraction form
    161,766.20/242,649.30 = 102,668.60/x
  3. Step 3: Cross multiply
    161,766.20x = 242,649.30 × 102,668.60
  4. Step 4: Simplify right side
    161,766.20x = 24,912,463,921.98
  5. Step 5: Solve for x
    x = 24,912,463,921.98/161,766.20
  6. Step 6: Final answer
    x = 154,002.90

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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.