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Finding the Fourth Proportional to 133,331.40, 200,025.90 and 39,846.60

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Solution

The fourth proportional to 133,331.40, 200,025.90 and 39,846.60 is: 59,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,331.40 : 200,025.90 = 39,846.60 : x
  2. Step 2: Convert to fraction form
    133,331.40/200,025.90 = 39,846.60/x
  3. Step 3: Cross multiply
    133,331.40x = 200,025.90 × 39,846.60
  4. Step 4: Simplify right side
    133,331.40x = 7,970,352,026.94
  5. Step 5: Solve for x
    x = 7,970,352,026.94/133,331.40
  6. Step 6: Final answer
    x = 59,778.51

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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.