Finding the Fourth Proportional to 193,194.05, 266,609.98 and 107,154.73
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Solution
The fourth proportional to 193,194.05, 266,609.98 and 107,154.73 is: 147,874.75
Step by Step Solution
- Step 1: Write the proportion equation
193,194.05 : 266,609.98 = 107,154.73 : x - Step 2: Convert to fraction form
193,194.05/266,609.98 = 107,154.73/x - Step 3: Cross multiply
193,194.05x = 266,609.98 × 107,154.73 - Step 4: Simplify right side
193,194.05x = 28,568,520,889.41 - Step 5: Solve for x
x = 28,568,520,889.41/193,194.05 - Step 6: Final answer
x = 147,874.75
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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.