Finding the Fourth Proportional to 100,811, 151,216.50 and 35,147
Calculator
Solution
The fourth proportional to 100,811, 151,216.50 and 35,147 is: 52,720.50
Step by Step Solution
- Step 1: Write the proportion equation
100,811 : 151,216.50 = 35,147 : x - Step 2: Convert to fraction form
100,811/151,216.50 = 35,147/x - Step 3: Cross multiply
100,811x = 151,216.50 × 35,147 - Step 4: Simplify right side
100,811x = 5,314,806,325.50 - Step 5: Solve for x
x = 5,314,806,325.50/100,811 - Step 6: Final answer
x = 52,720.50
Related Problems
Find fourth proportional to 50,405.50, 75,608.25 and 17,573.50
Half scale
Find fourth proportional to 201,622, 302,433 and 70,294
Double scale
Find fourth proportional to 100,812, 151,218 and 35,148
Similar ratio
Find fourth proportional to 151,216.50, 226,824.75 and 52,720.50
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.