Finding the Fourth Proportional to 126,468.26, 174,603.62 and 120,399.08
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Solution
The fourth proportional to 126,468.26, 174,603.62 and 120,399.08 is: 166,224.43
Step by Step Solution
- Step 1: Write the proportion equation
126,468.26 : 174,603.62 = 120,399.08 : x - Step 2: Convert to fraction form
126,468.26/174,603.62 = 120,399.08/x - Step 3: Cross multiply
126,468.26x = 174,603.62 × 120,399.08 - Step 4: Simplify right side
126,468.26x = 21,022,114,189.15 - Step 5: Solve for x
x = 21,022,114,189.15/126,468.26 - Step 6: Final answer
x = 166,224.43
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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.