Home / 143,286.30-214,929.45-92,766.60

Finding the Fourth Proportional to 143,286.30, 214,929.45 and 92,766.60

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Solution

The fourth proportional to 143,286.30, 214,929.45 and 92,766.60 is: 139,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,286.30 : 214,929.45 = 92,766.60 : x
  2. Step 2: Convert to fraction form
    143,286.30/214,929.45 = 92,766.60/x
  3. Step 3: Cross multiply
    143,286.30x = 214,929.45 × 92,766.60
  4. Step 4: Simplify right side
    143,286.30x = 19,938,274,316.37
  5. Step 5: Solve for x
    x = 19,938,274,316.37/143,286.30
  6. Step 6: Final answer
    x = 139,149.90

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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.