Finding the Fourth Proportional to 119,500.72, 164,892.72 and 69,190
Calculator
Solution
The fourth proportional to 119,500.72, 164,892.72 and 69,190 is: 95,471.62
Step by Step Solution
- Step 1: Write the proportion equation
119,500.72 : 164,892.72 = 69,190 : x - Step 2: Convert to fraction form
119,500.72/164,892.72 = 69,190/x - Step 3: Cross multiply
119,500.72x = 164,892.72 × 69,190 - Step 4: Simplify right side
119,500.72x = 11,408,927,296.80 - Step 5: Solve for x
x = 11,408,927,296.80/119,500.72 - Step 6: Final answer
x = 95,471.62
Related Problems
Find fourth proportional to 59,750.36, 82,446.36 and 34,595
Half scale
Find fourth proportional to 239,001.44, 329,785.44 and 138,380
Double scale
Find fourth proportional to 119,501.72, 164,894.10 and 69,191
Similar ratio
Find fourth proportional to 179,251.08, 247,339.08 and 103,785
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.