Finding the Fourth Proportional to 182,542.21, 251,908.79 and 100,868.69
Calculator
Solution
The fourth proportional to 182,542.21, 251,908.79 and 100,868.69 is: 139,199.09
Step by Step Solution
- Step 1: Write the proportion equation
182,542.21 : 251,908.79 = 100,868.69 : x - Step 2: Convert to fraction form
182,542.21/251,908.79 = 100,868.69/x - Step 3: Cross multiply
182,542.21x = 251,908.79 × 100,868.69 - Step 4: Simplify right side
182,542.21x = 25,409,709,142.44 - Step 5: Solve for x
x = 25,409,709,142.44/182,542.21 - Step 6: Final answer
x = 139,199.09
Related Problems
Find fourth proportional to 91,271.10, 125,954.39 and 50,434.35
Half scale
Find fourth proportional to 365,084.41, 503,817.57 and 201,737.38
Double scale
Find fourth proportional to 182,543.21, 251,910.17 and 100,869.69
Similar ratio
Find fourth proportional to 273,813.31, 377,863.18 and 151,303.04
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.