Finding the Fourth Proportional to 140,501.19, 193,894.50 and 76,843.09
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Solution
The fourth proportional to 140,501.19, 193,894.50 and 76,843.09 is: 106,045.03
Step by Step Solution
- Step 1: Write the proportion equation
140,501.19 : 193,894.50 = 76,843.09 : x - Step 2: Convert to fraction form
140,501.19/193,894.50 = 76,843.09/x - Step 3: Cross multiply
140,501.19x = 193,894.50 × 76,843.09 - Step 4: Simplify right side
140,501.19x = 14,899,452,514.01 - Step 5: Solve for x
x = 14,899,452,514.01/140,501.19 - Step 6: Final answer
x = 106,045.03
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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.