Finding the Fourth Proportional to 167,157.92, 250,725.12 and 78,430.88
Calculator
Solution
The fourth proportional to 167,157.92, 250,725.12 and 78,430.88 is: 117,640.80
Step by Step Solution
- Step 1: Write the proportion equation
167,157.92 : 250,725.12 = 78,430.88 : x - Step 2: Convert to fraction form
167,157.92/250,725.12 = 78,430.88/x - Step 3: Cross multiply
167,157.92x = 250,725.12 × 78,430.88 - Step 4: Simplify right side
167,157.92x = 19,664,591,799.71 - Step 5: Solve for x
x = 19,664,591,799.71/167,157.92 - Step 6: Final answer
x = 117,640.80
Related Problems
Find fourth proportional to 83,578.96, 125,362.56 and 39,215.44
Half scale
Find fourth proportional to 334,315.84, 501,450.24 and 156,861.76
Double scale
Find fourth proportional to 167,158.92, 250,726.62 and 78,431.88
Similar ratio
Find fourth proportional to 250,736.88, 376,087.68 and 117,646.32
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.