Finding the Fourth Proportional to 111,426.18, 167,136.84 and 27,187.08
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Solution
The fourth proportional to 111,426.18, 167,136.84 and 27,187.08 is: 40,780.03
Step by Step Solution
- Step 1: Write the proportion equation
111,426.18 : 167,136.84 = 27,187.08 : x - Step 2: Convert to fraction form
111,426.18/167,136.84 = 27,187.08/x - Step 3: Cross multiply
111,426.18x = 167,136.84 × 27,187.08 - Step 4: Simplify right side
111,426.18x = 4,543,962,640.03 - Step 5: Solve for x
x = 4,543,962,640.03/111,426.18 - Step 6: Final answer
x = 40,780.03
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.