Finding the Fourth Proportional to 134,971.97, 186,262.73 and 74,544.15
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Solution
The fourth proportional to 134,971.97, 186,262.73 and 74,544.15 is: 102,871.70
Step by Step Solution
- Step 1: Write the proportion equation
134,971.97 : 186,262.73 = 74,544.15 : x - Step 2: Convert to fraction form
134,971.97/186,262.73 = 74,544.15/x - Step 3: Cross multiply
134,971.97x = 186,262.73 × 74,544.15 - Step 4: Simplify right side
134,971.97x = 13,884,796,046.15 - Step 5: Solve for x
x = 13,884,796,046.15/134,971.97 - Step 6: Final answer
x = 102,871.70
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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.