Home / 100,772.22-151,114.55-30,635.13

Finding the Fourth Proportional to 100,772.22, 151,114.55 and 30,635.13

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Solution

The fourth proportional to 100,772.22, 151,114.55 and 30,635.13 is: 45,939.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,772.22 : 151,114.55 = 30,635.13 : x
  2. Step 2: Convert to fraction form
    100,772.22/151,114.55 = 30,635.13/x
  3. Step 3: Cross multiply
    100,772.22x = 151,114.55 × 30,635.13
  4. Step 4: Simplify right side
    100,772.22x = 4,629,413,884.14
  5. Step 5: Solve for x
    x = 4,629,413,884.14/100,772.22
  6. Step 6: Final answer
    x = 45,939.39

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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.