Finding the Fourth Proportional to 141,021.60, 211,477.52 and 70,852
Calculator
Solution
The fourth proportional to 141,021.60, 211,477.52 and 70,852 is: 106,250.43
Step by Step Solution
- Step 1: Write the proportion equation
141,021.60 : 211,477.52 = 70,852 : x - Step 2: Convert to fraction form
141,021.60/211,477.52 = 70,852/x - Step 3: Cross multiply
141,021.60x = 211,477.52 × 70,852 - Step 4: Simplify right side
141,021.60x = 14,983,605,247.04 - Step 5: Solve for x
x = 14,983,605,247.04/141,021.60 - Step 6: Final answer
x = 106,250.43
Related Problems
Find fourth proportional to 70,510.80, 105,738.76 and 35,426
Half scale
Find fourth proportional to 282,043.20, 422,955.04 and 141,704
Double scale
Find fourth proportional to 141,022.60, 211,479.02 and 70,853
Similar ratio
Find fourth proportional to 211,532.40, 317,216.28 and 106,278
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.