Finding the Fourth Proportional to 133,763.70, 184,597.42 and 75,615.80
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Solution
The fourth proportional to 133,763.70, 184,597.42 and 75,615.80 is: 104,351.79
Step by Step Solution
- Step 1: Write the proportion equation
133,763.70 : 184,597.42 = 75,615.80 : x - Step 2: Convert to fraction form
133,763.70/184,597.42 = 75,615.80/x - Step 3: Cross multiply
133,763.70x = 184,597.42 × 75,615.80 - Step 4: Simplify right side
133,763.70x = 13,958,481,591.24 - Step 5: Solve for x
x = 13,958,481,591.24/133,763.70 - Step 6: Final answer
x = 104,351.79
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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.