Home / 100,198.64-150,353.28-55,850.36

Finding the Fourth Proportional to 100,198.64, 150,353.28 and 55,850.36

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Solution

The fourth proportional to 100,198.64, 150,353.28 and 55,850.36 is: 83,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,198.64 : 150,353.28 = 55,850.36 : x
  2. Step 2: Convert to fraction form
    100,198.64/150,353.28 = 55,850.36/x
  3. Step 3: Cross multiply
    100,198.64x = 150,353.28 × 55,850.36
  4. Step 4: Simplify right side
    100,198.64x = 8,397,284,815.18
  5. Step 5: Solve for x
    x = 8,397,284,815.18/100,198.64
  6. Step 6: Final answer
    x = 83,806.38

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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.