Finding the Fourth Proportional to 181,029.60, 271,182 and 86,352
Calculator
Solution
The fourth proportional to 181,029.60, 271,182 and 86,352 is: 129,355.13
Step by Step Solution
- Step 1: Write the proportion equation
181,029.60 : 271,182 = 86,352 : x - Step 2: Convert to fraction form
181,029.60/271,182 = 86,352/x - Step 3: Cross multiply
181,029.60x = 271,182 × 86,352 - Step 4: Simplify right side
181,029.60x = 23,417,108,064 - Step 5: Solve for x
x = 23,417,108,064/181,029.60 - Step 6: Final answer
x = 129,355.13
Related Problems
Find fourth proportional to 90,514.80, 135,591 and 43,176
Half scale
Find fourth proportional to 362,059.20, 542,364 and 172,704
Double scale
Find fourth proportional to 181,030.60, 271,183.50 and 86,353
Similar ratio
Find fourth proportional to 271,544.40, 406,773 and 129,528
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.