Finding the Fourth Proportional to 183,765.40, 253,635.78 and 112,130.08
Calculator
Solution
The fourth proportional to 183,765.40, 253,635.78 and 112,130.08 is: 154,763.63
Step by Step Solution
- Step 1: Write the proportion equation
183,765.40 : 253,635.78 = 112,130.08 : x - Step 2: Convert to fraction form
183,765.40/253,635.78 = 112,130.08/x - Step 3: Cross multiply
183,765.40x = 253,635.78 × 112,130.08 - Step 4: Simplify right side
183,765.40x = 28,440,200,302.26 - Step 5: Solve for x
x = 28,440,200,302.26/183,765.40 - Step 6: Final answer
x = 154,763.63
Related Problems
Find fourth proportional to 91,882.70, 126,817.89 and 56,065.04
Half scale
Find fourth proportional to 367,530.80, 507,271.56 and 224,260.16
Double scale
Find fourth proportional to 183,766.40, 253,637.16 and 112,131.08
Similar ratio
Find fourth proportional to 275,648.10, 380,453.67 and 168,195.12
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.