Finding the Fourth Proportional to 134,902.41, 186,166.83 and 74,473.09
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Solution
The fourth proportional to 134,902.41, 186,166.83 and 74,473.09 is: 102,773.69
Step by Step Solution
- Step 1: Write the proportion equation
134,902.41 : 186,166.83 = 74,473.09 : x - Step 2: Convert to fraction form
134,902.41/186,166.83 = 74,473.09/x - Step 3: Cross multiply
134,902.41x = 186,166.83 × 74,473.09 - Step 4: Simplify right side
134,902.41x = 13,864,419,085.60 - Step 5: Solve for x
x = 13,864,419,085.60/134,902.41 - Step 6: Final answer
x = 102,773.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.