Finding the Fourth Proportional to 147.14, 202.94 and 94.68
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Solution
The fourth proportional to 147.14, 202.94 and 94.68 is: 130.59
Step by Step Solution
- Step 1: Write the proportion equation
147.14 : 202.94 = 94.68 : x - Step 2: Convert to fraction form
147.14/202.94 = 94.68/x - Step 3: Cross multiply
147.14x = 202.94 × 94.68 - Step 4: Simplify right side
147.14x = 19,214.60 - Step 5: Solve for x
x = 19,214.60/147.14 - Step 6: Final answer
x = 130.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.