Finding the Fourth Proportional to 173,436.98, 239,381.62 and 105,439.54
Calculator
Solution
The fourth proportional to 173,436.98, 239,381.62 and 105,439.54 is: 145,530.02
Step by Step Solution
- Step 1: Write the proportion equation
173,436.98 : 239,381.62 = 105,439.54 : x - Step 2: Convert to fraction form
173,436.98/239,381.62 = 105,439.54/x - Step 3: Cross multiply
173,436.98x = 239,381.62 × 105,439.54 - Step 4: Simplify right side
173,436.98x = 25,240,287,897.25 - Step 5: Solve for x
x = 25,240,287,897.25/173,436.98 - Step 6: Final answer
x = 145,530.02
Related Problems
Find fourth proportional to 86,718.49, 119,690.81 and 52,719.77
Half scale
Find fourth proportional to 346,873.96, 478,763.24 and 210,879.08
Double scale
Find fourth proportional to 173,437.98, 239,383 and 105,440.54
Similar ratio
Find fourth proportional to 260,155.47, 359,072.43 and 158,159.31
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.