Finding the Fourth Proportional to 140,034.04, 193,246.09 and 79,604.68
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Solution
The fourth proportional to 140,034.04, 193,246.09 and 79,604.68 is: 109,853.96
Step by Step Solution
- Step 1: Write the proportion equation
140,034.04 : 193,246.09 = 79,604.68 : x - Step 2: Convert to fraction form
140,034.04/193,246.09 = 79,604.68/x - Step 3: Cross multiply
140,034.04x = 193,246.09 × 79,604.68 - Step 4: Simplify right side
140,034.04x = 15,383,293,155.70 - Step 5: Solve for x
x = 15,383,293,155.70/140,034.04 - Step 6: Final answer
x = 109,853.96
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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.