Home / 100,223.80-150,336.96-30,099.04

Finding the Fourth Proportional to 100,223.80, 150,336.96 and 30,099.04

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Solution

The fourth proportional to 100,223.80, 150,336.96 and 30,099.04 is: 45,148.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,223.80 : 150,336.96 = 30,099.04 : x
  2. Step 2: Convert to fraction form
    100,223.80/150,336.96 = 30,099.04/x
  3. Step 3: Cross multiply
    100,223.80x = 150,336.96 × 30,099.04
  4. Step 4: Simplify right side
    100,223.80x = 4,524,998,172.52
  5. Step 5: Solve for x
    x = 4,524,998,172.52/100,223.80
  6. Step 6: Final answer
    x = 45,148.94

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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.