Finding the Fourth Proportional to 178,754.40, 268,039.90 and 94,560
Calculator
Solution
The fourth proportional to 178,754.40, 268,039.90 and 94,560 is: 141,791.49
Step by Step Solution
- Step 1: Write the proportion equation
178,754.40 : 268,039.90 = 94,560 : x - Step 2: Convert to fraction form
178,754.40/268,039.90 = 94,560/x - Step 3: Cross multiply
178,754.40x = 268,039.90 × 94,560 - Step 4: Simplify right side
178,754.40x = 25,345,852,944.00 - Step 5: Solve for x
x = 25,345,852,944.00/178,754.40 - Step 6: Final answer
x = 141,791.49
Related Problems
Find fourth proportional to 89,377.20, 134,019.95 and 47,280
Half scale
Find fourth proportional to 357,508.80, 536,079.80 and 189,120
Double scale
Find fourth proportional to 178,755.40, 268,041.40 and 94,561
Similar ratio
Find fourth proportional to 268,131.60, 402,059.85 and 141,840
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.