Finding the Fourth Proportional to 116,326.73, 160,630.68 and 112,565.09
Calculator
Solution
The fourth proportional to 116,326.73, 160,630.68 and 112,565.09 is: 155,436.39
Step by Step Solution
- Step 1: Write the proportion equation
116,326.73 : 160,630.68 = 112,565.09 : x - Step 2: Convert to fraction form
116,326.73/160,630.68 = 112,565.09/x - Step 3: Cross multiply
116,326.73x = 160,630.68 × 112,565.09 - Step 4: Simplify right side
116,326.73x = 18,081,406,147.81 - Step 5: Solve for x
x = 18,081,406,147.81/116,326.73 - Step 6: Final answer
x = 155,436.39
Related Problems
Find fourth proportional to 58,163.36, 80,315.34 and 56,282.54
Half scale
Find fourth proportional to 232,653.45, 321,261.36 and 225,130.17
Double scale
Find fourth proportional to 116,327.73, 160,632.06 and 112,566.09
Similar ratio
Find fourth proportional to 174,490.09, 240,946.02 and 168,847.63
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.