Finding the Fourth Proportional to 179,942.18, 248,319.07 and 99,369.05
Calculator
Solution
The fourth proportional to 179,942.18, 248,319.07 and 99,369.05 is: 137,128.66
Step by Step Solution
- Step 1: Write the proportion equation
179,942.18 : 248,319.07 = 99,369.05 : x - Step 2: Convert to fraction form
179,942.18/248,319.07 = 99,369.05/x - Step 3: Cross multiply
179,942.18x = 248,319.07 × 99,369.05 - Step 4: Simplify right side
179,942.18x = 24,675,228,592.77 - Step 5: Solve for x
x = 24,675,228,592.77/179,942.18 - Step 6: Final answer
x = 137,128.66
Related Problems
Find fourth proportional to 89,971.09, 124,159.53 and 49,684.52
Half scale
Find fourth proportional to 359,884.35, 496,638.14 and 198,738.09
Double scale
Find fourth proportional to 179,943.18, 248,320.45 and 99,370.05
Similar ratio
Find fourth proportional to 269,913.26, 372,478.60 and 149,053.57
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.