Finding the Fourth Proportional to 127,668.18, 176,175.33 and 71,069.46
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Solution
The fourth proportional to 127,668.18, 176,175.33 and 71,069.46 is: 98,072.09
Step by Step Solution
- Step 1: Write the proportion equation
127,668.18 : 176,175.33 = 71,069.46 : x - Step 2: Convert to fraction form
127,668.18/176,175.33 = 71,069.46/x - Step 3: Cross multiply
127,668.18x = 176,175.33 × 71,069.46 - Step 4: Simplify right side
127,668.18x = 12,520,685,568.42 - Step 5: Solve for x
x = 12,520,685,568.42/127,668.18 - Step 6: Final answer
x = 98,072.09
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1.5x scale
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.