Finding the Fourth Proportional to 140,375.29, 193,717.99 and 76,713.09
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Solution
The fourth proportional to 140,375.29, 193,717.99 and 76,713.09 is: 105,864.11
Step by Step Solution
- Step 1: Write the proportion equation
140,375.29 : 193,717.99 = 76,713.09 : x - Step 2: Convert to fraction form
140,375.29/193,717.99 = 76,713.09/x - Step 3: Cross multiply
140,375.29x = 193,717.99 × 76,713.09 - Step 4: Simplify right side
140,375.29x = 14,860,705,409.71 - Step 5: Solve for x
x = 14,860,705,409.71/140,375.29 - Step 6: Final answer
x = 105,864.11
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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.