Finding the Fourth Proportional to 113,956.66, 170,996.19 and 47,442.70
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Solution
The fourth proportional to 113,956.66, 170,996.19 and 47,442.70 is: 71,189.53
Step by Step Solution
- Step 1: Write the proportion equation
113,956.66 : 170,996.19 = 47,442.70 : x - Step 2: Convert to fraction form
113,956.66/170,996.19 = 47,442.70/x - Step 3: Cross multiply
113,956.66x = 170,996.19 × 47,442.70 - Step 4: Simplify right side
113,956.66x = 8,112,520,943.31 - Step 5: Solve for x
x = 8,112,520,943.31/113,956.66 - Step 6: Final answer
x = 71,189.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.