Finding the Fourth Proportional to 112.98, 170.24 and 93.14
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Solution
The fourth proportional to 112.98, 170.24 and 93.14 is: 140.33
Step by Step Solution
- Step 1: Write the proportion equation
112.98 : 170.24 = 93.14 : x - Step 2: Convert to fraction form
112.98/170.24 = 93.14/x - Step 3: Cross multiply
112.98x = 170.24 × 93.14 - Step 4: Simplify right side
112.98x = 15,854.84 - Step 5: Solve for x
x = 15,854.84/112.98 - Step 6: Final answer
x = 140.33
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.