Finding the Fourth Proportional to 134.93, 202.05 and 74.09
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Solution
The fourth proportional to 134.93, 202.05 and 74.09 is: 110.94
Step by Step Solution
- Step 1: Write the proportion equation
134.93 : 202.05 = 74.09 : x - Step 2: Convert to fraction form
134.93/202.05 = 74.09/x - Step 3: Cross multiply
134.93x = 202.05 × 74.09 - Step 4: Simplify right side
134.93x = 14,968.87 - Step 5: Solve for x
x = 14,968.87/134.93 - Step 6: Final answer
x = 110.94
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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.