Finding the Fourth Proportional to 126,010.08, 173,654.64 and 90,137.79
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Solution
The fourth proportional to 126,010.08, 173,654.64 and 90,137.79 is: 124,218.99
Step by Step Solution
- Step 1: Write the proportion equation
126,010.08 : 173,654.64 = 90,137.79 : x - Step 2: Convert to fraction form
126,010.08/173,654.64 = 90,137.79/x - Step 3: Cross multiply
126,010.08x = 173,654.64 × 90,137.79 - Step 4: Simplify right side
126,010.08x = 15,652,845,472.85 - Step 5: Solve for x
x = 15,652,845,472.85/126,010.08 - Step 6: Final answer
x = 124,218.99
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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.