Home / 148,544.20-222,845.10-74,672.20

Finding the Fourth Proportional to 148,544.20, 222,845.10 and 74,672.20

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Solution

The fourth proportional to 148,544.20, 222,845.10 and 74,672.20 is: 112,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,544.20 : 222,845.10 = 74,672.20 : x
  2. Step 2: Convert to fraction form
    148,544.20/222,845.10 = 74,672.20/x
  3. Step 3: Cross multiply
    148,544.20x = 222,845.10 × 74,672.20
  4. Step 4: Simplify right side
    148,544.20x = 16,640,333,876.22
  5. Step 5: Solve for x
    x = 16,640,333,876.22/148,544.20
  6. Step 6: Final answer
    x = 112,022.78

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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.