Finding the Fourth Proportional to 122,135.08, 182,964.06 and 84,177.56
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Solution
The fourth proportional to 122,135.08, 182,964.06 and 84,177.56 is: 126,101.92
Step by Step Solution
- Step 1: Write the proportion equation
122,135.08 : 182,964.06 = 84,177.56 : x - Step 2: Convert to fraction form
122,135.08/182,964.06 = 84,177.56/x - Step 3: Cross multiply
122,135.08x = 182,964.06 × 84,177.56 - Step 4: Simplify right side
122,135.08x = 15,401,468,138.49 - Step 5: Solve for x
x = 15,401,468,138.49/122,135.08 - Step 6: Final answer
x = 126,101.92
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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.