Home / 148,280.20-222,128.70-137,782.60

Finding the Fourth Proportional to 148,280.20, 222,128.70 and 137,782.60

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Solution

The fourth proportional to 148,280.20, 222,128.70 and 137,782.60 is: 206,402.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,280.20 : 222,128.70 = 137,782.60 : x
  2. Step 2: Convert to fraction form
    148,280.20/222,128.70 = 137,782.60/x
  3. Step 3: Cross multiply
    148,280.20x = 222,128.70 × 137,782.60
  4. Step 4: Simplify right side
    148,280.20x = 30,605,469,820.62
  5. Step 5: Solve for x
    x = 30,605,469,820.62/148,280.20
  6. Step 6: Final answer
    x = 206,402.94

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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.