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Finding the Fourth Proportional to 133,442.73, 200,155.46 and 50,334.57

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Solution

The fourth proportional to 133,442.73, 200,155.46 and 50,334.57 is: 75,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,442.73 : 200,155.46 = 50,334.57 : x
  2. Step 2: Convert to fraction form
    133,442.73/200,155.46 = 50,334.57/x
  3. Step 3: Cross multiply
    133,442.73x = 200,155.46 × 50,334.57
  4. Step 4: Simplify right side
    133,442.73x = 10,074,738,760.58
  5. Step 5: Solve for x
    x = 10,074,738,760.58/133,442.73
  6. Step 6: Final answer
    x = 75,498.60

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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.