Finding the Fourth Proportional to 121,364.37, 167,498.97 and 69,701.97
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Solution
The fourth proportional to 121,364.37, 167,498.97 and 69,701.97 is: 96,197.99
Step by Step Solution
- Step 1: Write the proportion equation
121,364.37 : 167,498.97 = 69,701.97 : x - Step 2: Convert to fraction form
121,364.37/167,498.97 = 69,701.97/x - Step 3: Cross multiply
121,364.37x = 167,498.97 × 69,701.97 - Step 4: Simplify right side
121,364.37x = 11,675,008,181.97 - Step 5: Solve for x
x = 11,675,008,181.97/121,364.37 - Step 6: Final answer
x = 96,197.99
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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.