Home / 148,144.80-222,220.89-48,315.54

Finding the Fourth Proportional to 148,144.80, 222,220.89 and 48,315.54

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Solution

The fourth proportional to 148,144.80, 222,220.89 and 48,315.54 is: 72,474.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,144.80 : 222,220.89 = 48,315.54 : x
  2. Step 2: Convert to fraction form
    148,144.80/222,220.89 = 48,315.54/x
  3. Step 3: Cross multiply
    148,144.80x = 222,220.89 × 48,315.54
  4. Step 4: Simplify right side
    148,144.80x = 10,736,722,299.63
  5. Step 5: Solve for x
    x = 10,736,722,299.63/148,144.80
  6. Step 6: Final answer
    x = 72,474.51

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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.