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Finding the Fourth Proportional to 135,194.70, 202,812.24 and 49,799.07

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Solution

The fourth proportional to 135,194.70, 202,812.24 and 49,799.07 is: 74,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,194.70 : 202,812.24 = 49,799.07 : x
  2. Step 2: Convert to fraction form
    135,194.70/202,812.24 = 49,799.07/x
  3. Step 3: Cross multiply
    135,194.70x = 202,812.24 × 49,799.07
  4. Step 4: Simplify right side
    135,194.70x = 10,099,860,936.62
  5. Step 5: Solve for x
    x = 10,099,860,936.62/135,194.70
  6. Step 6: Final answer
    x = 74,706.04

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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.