Finding the Fourth Proportional to 107,134.62, 160,703.19 and 40,556.85
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Solution
The fourth proportional to 107,134.62, 160,703.19 and 40,556.85 is: 60,835.75
Step by Step Solution
- Step 1: Write the proportion equation
107,134.62 : 160,703.19 = 40,556.85 : x - Step 2: Convert to fraction form
107,134.62/160,703.19 = 40,556.85/x - Step 3: Cross multiply
107,134.62x = 160,703.19 × 40,556.85 - Step 4: Simplify right side
107,134.62x = 6,517,615,171.35 - Step 5: Solve for x
x = 6,517,615,171.35/107,134.62 - Step 6: Final answer
x = 60,835.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.