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Finding the Fourth Proportional to 100,511.01, 150,752.48 and 33,942.51

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Solution

The fourth proportional to 100,511.01, 150,752.48 and 33,942.51 is: 50,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,511.01 : 150,752.48 = 33,942.51 : x
  2. Step 2: Convert to fraction form
    100,511.01/150,752.48 = 33,942.51/x
  3. Step 3: Cross multiply
    100,511.01x = 150,752.48 × 33,942.51
  4. Step 4: Simplify right side
    100,511.01x = 5,116,917,390.21
  5. Step 5: Solve for x
    x = 5,116,917,390.21/100,511.01
  6. Step 6: Final answer
    x = 50,909.02

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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.