Finding the Fourth Proportional to 168,136.19, 252,250.42 and 83,794.54
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Solution
The fourth proportional to 168,136.19, 252,250.42 and 83,794.54 is: 125,714.80
Step by Step Solution
- Step 1: Write the proportion equation
168,136.19 : 252,250.42 = 83,794.54 : x - Step 2: Convert to fraction form
168,136.19/252,250.42 = 83,794.54/x - Step 3: Cross multiply
168,136.19x = 252,250.42 × 83,794.54 - Step 4: Simplify right side
168,136.19x = 21,137,207,908.71 - Step 5: Solve for x
x = 21,137,207,908.71/168,136.19 - Step 6: Final answer
x = 125,714.80
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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.