Finding the Fourth Proportional to 114,042.10, 171,046.95 and 39,165.70
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Solution
The fourth proportional to 114,042.10, 171,046.95 and 39,165.70 is: 58,742.99
Step by Step Solution
- Step 1: Write the proportion equation
114,042.10 : 171,046.95 = 39,165.70 : x - Step 2: Convert to fraction form
114,042.10/171,046.95 = 39,165.70/x - Step 3: Cross multiply
114,042.10x = 171,046.95 × 39,165.70 - Step 4: Simplify right side
114,042.10x = 6,699,173,529.62 - Step 5: Solve for x
x = 6,699,173,529.62/114,042.10 - Step 6: Final answer
x = 58,742.99
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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.