Finding the Fourth Proportional to 141,875.34, 212,875.70 and 74,391.26
Calculator
Solution
The fourth proportional to 141,875.34, 212,875.70 and 74,391.26 is: 111,619.75
Step by Step Solution
- Step 1: Write the proportion equation
141,875.34 : 212,875.70 = 74,391.26 : x - Step 2: Convert to fraction form
141,875.34/212,875.70 = 74,391.26/x - Step 3: Cross multiply
141,875.34x = 212,875.70 × 74,391.26 - Step 4: Simplify right side
141,875.34x = 15,836,090,110.05 - Step 5: Solve for x
x = 15,836,090,110.05/141,875.34 - Step 6: Final answer
x = 111,619.75
Related Problems
Find fourth proportional to 70,937.67, 106,437.85 and 37,195.63
Half scale
Find fourth proportional to 283,750.67, 425,751.39 and 148,782.51
Double scale
Find fourth proportional to 141,876.34, 212,877.20 and 74,392.26
Similar ratio
Find fourth proportional to 212,813.00, 319,313.54 and 111,586.88
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.