Finding the Fourth Proportional to 111,046.68, 153,244.62 and 60,745.68
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Solution
The fourth proportional to 111,046.68, 153,244.62 and 60,745.68 is: 83,829.15
Step by Step Solution
- Step 1: Write the proportion equation
111,046.68 : 153,244.62 = 60,745.68 : x - Step 2: Convert to fraction form
111,046.68/153,244.62 = 60,745.68/x - Step 3: Cross multiply
111,046.68x = 153,244.62 × 60,745.68 - Step 4: Simplify right side
111,046.68x = 9,308,948,648.24 - Step 5: Solve for x
x = 9,308,948,648.24/111,046.68 - Step 6: Final answer
x = 83,829.15
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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.