Home / 148,213.80-222,320.70-135,966.60

Finding the Fourth Proportional to 148,213.80, 222,320.70 and 135,966.60

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Solution

The fourth proportional to 148,213.80, 222,320.70 and 135,966.60 is: 203,949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,213.80 : 222,320.70 = 135,966.60 : x
  2. Step 2: Convert to fraction form
    148,213.80/222,320.70 = 135,966.60/x
  3. Step 3: Cross multiply
    148,213.80x = 222,320.70 × 135,966.60
  4. Step 4: Simplify right side
    148,213.80x = 30,228,189,688.62
  5. Step 5: Solve for x
    x = 30,228,189,688.62/148,213.80
  6. Step 6: Final answer
    x = 203,949.90

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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.