Finding the Fourth Proportional to 178,861.87, 246,775.56 and 107,215.75
Calculator
Solution
The fourth proportional to 178,861.87, 246,775.56 and 107,215.75 is: 147,925.47
Step by Step Solution
- Step 1: Write the proportion equation
178,861.87 : 246,775.56 = 107,215.75 : x - Step 2: Convert to fraction form
178,861.87/246,775.56 = 107,215.75/x - Step 3: Cross multiply
178,861.87x = 246,775.56 × 107,215.75 - Step 4: Simplify right side
178,861.87x = 26,458,226,210.99 - Step 5: Solve for x
x = 26,458,226,210.99/178,861.87 - Step 6: Final answer
x = 147,925.47
Related Problems
Find fourth proportional to 89,430.94, 123,387.78 and 53,607.88
Half scale
Find fourth proportional to 357,723.74, 493,551.11 and 214,431.50
Double scale
Find fourth proportional to 178,862.87, 246,776.93 and 107,216.75
Similar ratio
Find fourth proportional to 268,292.81, 370,163.33 and 160,823.63
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.