Finding the Fourth Proportional to 116,028.68, 160,122.84 and 65,727.68
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Solution
The fourth proportional to 116,028.68, 160,122.84 and 65,727.68 is: 90,706.05
Step by Step Solution
- Step 1: Write the proportion equation
116,028.68 : 160,122.84 = 65,727.68 : x - Step 2: Convert to fraction form
116,028.68/160,122.84 = 65,727.68/x - Step 3: Cross multiply
116,028.68x = 160,122.84 × 65,727.68 - Step 4: Simplify right side
116,028.68x = 10,524,502,788.21 - Step 5: Solve for x
x = 10,524,502,788.21/116,028.68 - Step 6: Final answer
x = 90,706.05
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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.