Finding the Fourth Proportional to 104,912.40, 157,471.20 and 74,961.84
Calculator
Solution
The fourth proportional to 104,912.40, 157,471.20 and 74,961.84 is: 112,516.07
Step by Step Solution
- Step 1: Write the proportion equation
104,912.40 : 157,471.20 = 74,961.84 : x - Step 2: Convert to fraction form
104,912.40/157,471.20 = 74,961.84/x - Step 3: Cross multiply
104,912.40x = 157,471.20 × 74,961.84 - Step 4: Simplify right side
104,912.40x = 11,804,330,899.01 - Step 5: Solve for x
x = 11,804,330,899.01/104,912.40 - Step 6: Final answer
x = 112,516.07
Related Problems
Find fourth proportional to 52,456.20, 78,735.60 and 37,480.92
Half scale
Find fourth proportional to 209,824.80, 314,942.40 and 149,923.68
Double scale
Find fourth proportional to 104,913.40, 157,472.70 and 74,962.84
Similar ratio
Find fourth proportional to 157,368.60, 236,206.80 and 112,442.76
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.