Finding the Fourth Proportional to 110.99, 166.64 and 93.08
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Solution
The fourth proportional to 110.99, 166.64 and 93.08 is: 139.74
Step by Step Solution
- Step 1: Write the proportion equation
110.99 : 166.64 = 93.08 : x - Step 2: Convert to fraction form
110.99/166.64 = 93.08/x - Step 3: Cross multiply
110.99x = 166.64 × 93.08 - Step 4: Simplify right side
110.99x = 15,509.55 - Step 5: Solve for x
x = 15,509.55/110.99 - Step 6: Final answer
x = 139.74
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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.