Home / 148,266.40-222,399.60-131,936.80

Finding the Fourth Proportional to 148,266.40, 222,399.60 and 131,936.80

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Solution

The fourth proportional to 148,266.40, 222,399.60 and 131,936.80 is: 197,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,266.40 : 222,399.60 = 131,936.80 : x
  2. Step 2: Convert to fraction form
    148,266.40/222,399.60 = 131,936.80/x
  3. Step 3: Cross multiply
    148,266.40x = 222,399.60 × 131,936.80
  4. Step 4: Simplify right side
    148,266.40x = 29,342,691,545.28
  5. Step 5: Solve for x
    x = 29,342,691,545.28/148,266.40
  6. Step 6: Final answer
    x = 197,905.20

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1.5x scale

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.