Finding the Fourth Proportional to 134,842.05, 186,083.46 and 74,414.97
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Solution
The fourth proportional to 134,842.05, 186,083.46 and 74,414.97 is: 102,693.45
Step by Step Solution
- Step 1: Write the proportion equation
134,842.05 : 186,083.46 = 74,414.97 : x - Step 2: Convert to fraction form
134,842.05/186,083.46 = 74,414.97/x - Step 3: Cross multiply
134,842.05x = 186,083.46 × 74,414.97 - Step 4: Simplify right side
134,842.05x = 13,847,395,093.40 - Step 5: Solve for x
x = 13,847,395,093.40/134,842.05 - Step 6: Final answer
x = 102,693.45
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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.