Finding the Fourth Proportional to 134,893.58, 186,150.56 and 74,466.09
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Solution
The fourth proportional to 134,893.58, 186,150.56 and 74,466.09 is: 102,761.78
Step by Step Solution
- Step 1: Write the proportion equation
134,893.58 : 186,150.56 = 74,466.09 : x - Step 2: Convert to fraction form
134,893.58/186,150.56 = 74,466.09/x - Step 3: Cross multiply
134,893.58x = 186,150.56 × 74,466.09 - Step 4: Simplify right side
134,893.58x = 13,861,903,982.18 - Step 5: Solve for x
x = 13,861,903,982.18/134,893.58 - Step 6: Final answer
x = 102,761.78
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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.