Finding the Fourth Proportional to 110,929.80, 166,394.70 and 92,230.95
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Solution
The fourth proportional to 110,929.80, 166,394.70 and 92,230.95 is: 138,346.43
Step by Step Solution
- Step 1: Write the proportion equation
110,929.80 : 166,394.70 = 92,230.95 : x - Step 2: Convert to fraction form
110,929.80/166,394.70 = 92,230.95/x - Step 3: Cross multiply
110,929.80x = 166,394.70 × 92,230.95 - Step 4: Simplify right side
110,929.80x = 15,346,741,255.97 - Step 5: Solve for x
x = 15,346,741,255.97/110,929.80 - Step 6: Final answer
x = 138,346.43
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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.