Home / 100,224.30-150,337.71-30,099.54

Finding the Fourth Proportional to 100,224.30, 150,337.71 and 30,099.54

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Solution

The fourth proportional to 100,224.30, 150,337.71 and 30,099.54 is: 45,149.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,224.30 : 150,337.71 = 30,099.54 : x
  2. Step 2: Convert to fraction form
    100,224.30/150,337.71 = 30,099.54/x
  3. Step 3: Cross multiply
    100,224.30x = 150,337.71 × 30,099.54
  4. Step 4: Simplify right side
    100,224.30x = 4,525,095,915.65
  5. Step 5: Solve for x
    x = 4,525,095,915.65/100,224.30
  6. Step 6: Final answer
    x = 45,149.69

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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.