Home / 100,197.94-150,299.64-30,077.26

Finding the Fourth Proportional to 100,197.94, 150,299.64 and 30,077.26

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Solution

The fourth proportional to 100,197.94, 150,299.64 and 30,077.26 is: 45,116.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,197.94 : 150,299.64 = 30,077.26 : x
  2. Step 2: Convert to fraction form
    100,197.94/150,299.64 = 30,077.26/x
  3. Step 3: Cross multiply
    100,197.94x = 150,299.64 × 30,077.26
  4. Step 4: Simplify right side
    100,197.94x = 4,520,601,350.19
  5. Step 5: Solve for x
    x = 4,520,601,350.19/100,197.94
  6. Step 6: Final answer
    x = 45,116.71

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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.