Finding the Fourth Proportional to 111,235.26, 153,543.94 and 66,523.26
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Solution
The fourth proportional to 111,235.26, 153,543.94 and 66,523.26 is: 91,825.59
Step by Step Solution
- Step 1: Write the proportion equation
111,235.26 : 153,543.94 = 66,523.26 : x - Step 2: Convert to fraction form
111,235.26/153,543.94 = 66,523.26/x - Step 3: Cross multiply
111,235.26x = 153,543.94 × 66,523.26 - Step 4: Simplify right side
111,235.26x = 10,214,243,442.04 - Step 5: Solve for x
x = 10,214,243,442.04/111,235.26 - Step 6: Final answer
x = 91,825.59
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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.