Finding the Fourth Proportional to 126,046.24, 173,936.64 and 72,326.08
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Solution
The fourth proportional to 126,046.24, 173,936.64 and 72,326.08 is: 99,805.88
Step by Step Solution
- Step 1: Write the proportion equation
126,046.24 : 173,936.64 = 72,326.08 : x - Step 2: Convert to fraction form
126,046.24/173,936.64 = 72,326.08/x - Step 3: Cross multiply
126,046.24x = 173,936.64 × 72,326.08 - Step 4: Simplify right side
126,046.24x = 12,580,155,339.57 - Step 5: Solve for x
x = 12,580,155,339.57/126,046.24 - Step 6: Final answer
x = 99,805.88
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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.