Finding the Fourth Proportional to 100,740.18, 151,143.12 and 48,153.75
Calculator
Solution
The fourth proportional to 100,740.18, 151,143.12 and 48,153.75 is: 72,246.33
Step by Step Solution
- Step 1: Write the proportion equation
100,740.18 : 151,143.12 = 48,153.75 : x - Step 2: Convert to fraction form
100,740.18/151,143.12 = 48,153.75/x - Step 3: Cross multiply
100,740.18x = 151,143.12 × 48,153.75 - Step 4: Simplify right side
100,740.18x = 7,278,108,014.70 - Step 5: Solve for x
x = 7,278,108,014.70/100,740.18 - Step 6: Final answer
x = 72,246.33
Related Problems
Find fourth proportional to 50,370.09, 75,571.56 and 24,076.88
Half scale
Find fourth proportional to 201,480.36, 302,286.24 and 96,307.50
Double scale
Find fourth proportional to 100,741.18, 151,144.62 and 48,154.75
Similar ratio
Find fourth proportional to 151,110.27, 226,714.68 and 72,230.63
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.