Finding the Fourth Proportional to 113.99, 170.96 and 48.99
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Solution
The fourth proportional to 113.99, 170.96 and 48.99 is: 73.47
Step by Step Solution
- Step 1: Write the proportion equation
113.99 : 170.96 = 48.99 : x - Step 2: Convert to fraction form
113.99/170.96 = 48.99/x - Step 3: Cross multiply
113.99x = 170.96 × 48.99 - Step 4: Simplify right side
113.99x = 8,374.66 - Step 5: Solve for x
x = 8,374.66/113.99 - Step 6: Final answer
x = 73.47
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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.