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Finding the Fourth Proportional to 110,101.94, 165,128.04 and 50,905.28

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Solution

The fourth proportional to 110,101.94, 165,128.04 and 50,905.28 is: 76,346.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,101.94 : 165,128.04 = 50,905.28 : x
  2. Step 2: Convert to fraction form
    110,101.94/165,128.04 = 50,905.28/x
  3. Step 3: Cross multiply
    110,101.94x = 165,128.04 × 50,905.28
  4. Step 4: Simplify right side
    110,101.94x = 8,405,889,112.05
  5. Step 5: Solve for x
    x = 8,405,889,112.05/110,101.94
  6. Step 6: Final answer
    x = 76,346.42

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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.