Finding the Fourth Proportional to 135,166.51, 186,526.48 and 74,735.62
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Solution
The fourth proportional to 135,166.51, 186,526.48 and 74,735.62 is: 103,133.33
Step by Step Solution
- Step 1: Write the proportion equation
135,166.51 : 186,526.48 = 74,735.62 : x - Step 2: Convert to fraction form
135,166.51/186,526.48 = 74,735.62/x - Step 3: Cross multiply
135,166.51x = 186,526.48 × 74,735.62 - Step 4: Simplify right side
135,166.51x = 13,940,172,129.22 - Step 5: Solve for x
x = 13,940,172,129.22/135,166.51 - Step 6: Final answer
x = 103,133.33
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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.