Finding the Fourth Proportional to 123,939.62, 171,037.74 and 67,350.99
Calculator
Solution
The fourth proportional to 123,939.62, 171,037.74 and 67,350.99 is: 92,944.95
Step by Step Solution
- Step 1: Write the proportion equation
123,939.62 : 171,037.74 = 67,350.99 : x - Step 2: Convert to fraction form
123,939.62/171,037.74 = 67,350.99/x - Step 3: Cross multiply
123,939.62x = 171,037.74 × 67,350.99 - Step 4: Simplify right side
123,939.62x = 11,519,562,010.32 - Step 5: Solve for x
x = 11,519,562,010.32/123,939.62 - Step 6: Final answer
x = 92,944.95
Related Problems
Find fourth proportional to 61,969.81, 85,518.87 and 33,675.50
Half scale
Find fourth proportional to 247,879.24, 342,075.49 and 134,701.99
Double scale
Find fourth proportional to 123,940.62, 171,039.12 and 67,351.99
Similar ratio
Find fourth proportional to 185,909.43, 256,556.62 and 101,026.49
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.