Finding the Fourth Proportional to 139,992, 209,988 and 41,496
Calculator
Solution
The fourth proportional to 139,992, 209,988 and 41,496 is: 62,244
Step by Step Solution
- Step 1: Write the proportion equation
139,992 : 209,988 = 41,496 : x - Step 2: Convert to fraction form
139,992/209,988 = 41,496/x - Step 3: Cross multiply
139,992x = 209,988 × 41,496 - Step 4: Simplify right side
139,992x = 8,713,662,048 - Step 5: Solve for x
x = 8,713,662,048/139,992 - Step 6: Final answer
x = 62,244
Related Problems
Find fourth proportional to 69,996, 104,994 and 20,748
Half scale
Find fourth proportional to 279,984, 419,976 and 82,992
Double scale
Find fourth proportional to 139,993, 209,989.50 and 41,497
Similar ratio
Find fourth proportional to 209,988, 314,982 and 62,244
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.