Finding the Fourth Proportional to 179,177.56, 247,213.74 and 115,551.88
Calculator
Solution
The fourth proportional to 179,177.56, 247,213.74 and 115,551.88 is: 159,428.52
Step by Step Solution
- Step 1: Write the proportion equation
179,177.56 : 247,213.74 = 115,551.88 : x - Step 2: Convert to fraction form
179,177.56/247,213.74 = 115,551.88/x - Step 3: Cross multiply
179,177.56x = 247,213.74 × 115,551.88 - Step 4: Simplify right side
179,177.56x = 28,566,012,418.83 - Step 5: Solve for x
x = 28,566,012,418.83/179,177.56 - Step 6: Final answer
x = 159,428.52
Related Problems
Find fourth proportional to 89,588.78, 123,606.87 and 57,775.94
Half scale
Find fourth proportional to 358,355.12, 494,427.48 and 231,103.76
Double scale
Find fourth proportional to 179,178.56, 247,215.12 and 115,552.88
Similar ratio
Find fourth proportional to 268,766.34, 370,820.61 and 173,327.82
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.