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Finding the Fourth Proportional to 134,801.44, 202,201.20 and 105,244

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Solution

The fourth proportional to 134,801.44, 202,201.20 and 105,244 is: 157,865.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,801.44 : 202,201.20 = 105,244 : x
  2. Step 2: Convert to fraction form
    134,801.44/202,201.20 = 105,244/x
  3. Step 3: Cross multiply
    134,801.44x = 202,201.20 × 105,244
  4. Step 4: Simplify right side
    134,801.44x = 21,280,463,092.80
  5. Step 5: Solve for x
    x = 21,280,463,092.80/134,801.44
  6. Step 6: Final answer
    x = 157,865.25

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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.