Finding the Fourth Proportional to 121,063.08, 167,047.80 and 67,347.96
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Solution
The fourth proportional to 121,063.08, 167,047.80 and 67,347.96 is: 92,929.48
Step by Step Solution
- Step 1: Write the proportion equation
121,063.08 : 167,047.80 = 67,347.96 : x - Step 2: Convert to fraction form
121,063.08/167,047.80 = 67,347.96/x - Step 3: Cross multiply
121,063.08x = 167,047.80 × 67,347.96 - Step 4: Simplify right side
121,063.08x = 11,250,328,552.49 - Step 5: Solve for x
x = 11,250,328,552.49/121,063.08 - Step 6: Final answer
x = 92,929.48
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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.