Home / 100,170.96-150,280.74-30,050.27

Finding the Fourth Proportional to 100,170.96, 150,280.74 and 30,050.27

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Solution

The fourth proportional to 100,170.96, 150,280.74 and 30,050.27 is: 45,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,170.96 : 150,280.74 = 30,050.27 : x
  2. Step 2: Convert to fraction form
    100,170.96/150,280.74 = 30,050.27/x
  3. Step 3: Cross multiply
    100,170.96x = 150,280.74 × 30,050.27
  4. Step 4: Simplify right side
    100,170.96x = 4,515,977,188.50
  5. Step 5: Solve for x
    x = 4,515,977,188.50/100,170.96
  6. Step 6: Final answer
    x = 45,082.70

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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.