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Finding the Fourth Proportional to 133,775.73, 200,684.33 and 45,022.32

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Solution

The fourth proportional to 133,775.73, 200,684.33 and 45,022.32 is: 67,540.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,775.73 : 200,684.33 = 45,022.32 : x
  2. Step 2: Convert to fraction form
    133,775.73/200,684.33 = 45,022.32/x
  3. Step 3: Cross multiply
    133,775.73x = 200,684.33 × 45,022.32
  4. Step 4: Simplify right side
    133,775.73x = 9,035,273,899.13
  5. Step 5: Solve for x
    x = 9,035,273,899.13/133,775.73
  6. Step 6: Final answer
    x = 67,540.46

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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.