Finding the Fourth Proportional to 121,074.35, 167,084.84 and 67,364.38
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Solution
The fourth proportional to 121,074.35, 167,084.84 and 67,364.38 is: 92,964.09
Step by Step Solution
- Step 1: Write the proportion equation
121,074.35 : 167,084.84 = 67,364.38 : x - Step 2: Convert to fraction form
121,074.35/167,084.84 = 67,364.38/x - Step 3: Cross multiply
121,074.35x = 167,084.84 × 67,364.38 - Step 4: Simplify right side
121,074.35x = 11,255,566,404.70 - Step 5: Solve for x
x = 11,255,566,404.70/121,074.35 - Step 6: Final answer
x = 92,964.09
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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.