Finding the Fourth Proportional to 170,956.58, 235,929.11 and 102,994.94
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Solution
The fourth proportional to 170,956.58, 235,929.11 and 102,994.94 is: 142,138.46
Step by Step Solution
- Step 1: Write the proportion equation
170,956.58 : 235,929.11 = 102,994.94 : x - Step 2: Convert to fraction form
170,956.58/235,929.11 = 102,994.94/x - Step 3: Cross multiply
170,956.58x = 235,929.11 × 102,994.94 - Step 4: Simplify right side
170,956.58x = 24,299,504,603.55 - Step 5: Solve for x
x = 24,299,504,603.55/170,956.58 - Step 6: Final answer
x = 142,138.46
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1.5x scale
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.