Home / 148,466.20-222,699.30-139,912.60

Finding the Fourth Proportional to 148,466.20, 222,699.30 and 139,912.60

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Solution

The fourth proportional to 148,466.20, 222,699.30 and 139,912.60 is: 209,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,466.20 : 222,699.30 = 139,912.60 : x
  2. Step 2: Convert to fraction form
    148,466.20/222,699.30 = 139,912.60/x
  3. Step 3: Cross multiply
    148,466.20x = 222,699.30 × 139,912.60
  4. Step 4: Simplify right side
    148,466.20x = 31,158,438,081.18
  5. Step 5: Solve for x
    x = 31,158,438,081.18/148,466.20
  6. Step 6: Final answer
    x = 209,868.90

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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.