Home / 148,729.20-222,445.80-133,047.60

Finding the Fourth Proportional to 148,729.20, 222,445.80 and 133,047.60

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Solution

The fourth proportional to 148,729.20, 222,445.80 and 133,047.60 is: 198,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,729.20 : 222,445.80 = 133,047.60 : x
  2. Step 2: Convert to fraction form
    148,729.20/222,445.80 = 133,047.60/x
  3. Step 3: Cross multiply
    148,729.20x = 222,445.80 × 133,047.60
  4. Step 4: Simplify right side
    148,729.20x = 29,595,879,820.08
  5. Step 5: Solve for x
    x = 29,595,879,820.08/148,729.20
  6. Step 6: Final answer
    x = 198,991.72

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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.