Finding the Fourth Proportional to 151,850.72, 209,440.74 and 134,643.28
Calculator
Solution
The fourth proportional to 151,850.72, 209,440.74 and 134,643.28 is: 185,707.31
Step by Step Solution
- Step 1: Write the proportion equation
151,850.72 : 209,440.74 = 134,643.28 : x - Step 2: Convert to fraction form
151,850.72/209,440.74 = 134,643.28/x - Step 3: Cross multiply
151,850.72x = 209,440.74 × 134,643.28 - Step 4: Simplify right side
151,850.72x = 28,199,788,199.23 - Step 5: Solve for x
x = 28,199,788,199.23/151,850.72 - Step 6: Final answer
x = 185,707.31
Related Problems
Find fourth proportional to 75,925.36, 104,720.37 and 67,321.64
Half scale
Find fourth proportional to 303,701.44, 418,881.48 and 269,286.56
Double scale
Find fourth proportional to 151,851.72, 209,442.12 and 134,644.28
Similar ratio
Find fourth proportional to 227,776.08, 314,161.11 and 201,964.92
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.