Finding the Fourth Proportional to 109,737.68, 151,438.32 and 59,436.68
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Solution
The fourth proportional to 109,737.68, 151,438.32 and 59,436.68 is: 82,022.79
Step by Step Solution
- Step 1: Write the proportion equation
109,737.68 : 151,438.32 = 59,436.68 : x - Step 2: Convert to fraction form
109,737.68/151,438.32 = 59,436.68/x - Step 3: Cross multiply
109,737.68x = 151,438.32 × 59,436.68 - Step 4: Simplify right side
109,737.68x = 9,000,990,965.58 - Step 5: Solve for x
x = 9,000,990,965.58/109,737.68 - Step 6: Final answer
x = 82,022.79
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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.