Finding the Fourth Proportional to 108,457.60, 162,755.52 and 46,128
Calculator
Solution
The fourth proportional to 108,457.60, 162,755.52 and 46,128 is: 69,221.40
Step by Step Solution
- Step 1: Write the proportion equation
108,457.60 : 162,755.52 = 46,128 : x - Step 2: Convert to fraction form
108,457.60/162,755.52 = 46,128/x - Step 3: Cross multiply
108,457.60x = 162,755.52 × 46,128 - Step 4: Simplify right side
108,457.60x = 7,507,586,626.56 - Step 5: Solve for x
x = 7,507,586,626.56/108,457.60 - Step 6: Final answer
x = 69,221.40
Related Problems
Find fourth proportional to 54,228.80, 81,377.76 and 23,064
Half scale
Find fourth proportional to 216,915.20, 325,511.04 and 92,256
Double scale
Find fourth proportional to 108,458.60, 162,757.02 and 46,129
Similar ratio
Find fourth proportional to 162,686.40, 244,133.28 and 69,192
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.