Finding the Fourth Proportional to 125,668.19, 188,516.03 and 54,541.94
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Solution
The fourth proportional to 125,668.19, 188,516.03 and 54,541.94 is: 81,818.88
Step by Step Solution
- Step 1: Write the proportion equation
125,668.19 : 188,516.03 = 54,541.94 : x - Step 2: Convert to fraction form
125,668.19/188,516.03 = 54,541.94/x - Step 3: Cross multiply
125,668.19x = 188,516.03 × 54,541.94 - Step 4: Simplify right side
125,668.19x = 10,282,029,997.30 - Step 5: Solve for x
x = 10,282,029,997.30/125,668.19 - Step 6: Final answer
x = 81,818.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.