Finding the Fourth Proportional to 111,938.70, 167,907.03 and 45,363
Calculator
Solution
The fourth proportional to 111,938.70, 167,907.03 and 45,363 is: 68,044.09
Step by Step Solution
- Step 1: Write the proportion equation
111,938.70 : 167,907.03 = 45,363 : x - Step 2: Convert to fraction form
111,938.70/167,907.03 = 45,363/x - Step 3: Cross multiply
111,938.70x = 167,907.03 × 45,363 - Step 4: Simplify right side
111,938.70x = 7,616,766,601.89 - Step 5: Solve for x
x = 7,616,766,601.89/111,938.70 - Step 6: Final answer
x = 68,044.09
Related Problems
Find fourth proportional to 55,969.35, 83,953.52 and 22,681.50
Half scale
Find fourth proportional to 223,877.40, 335,814.06 and 90,726
Double scale
Find fourth proportional to 111,939.70, 167,908.53 and 45,364
Similar ratio
Find fourth proportional to 167,908.05, 251,860.55 and 68,044.50
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.