Finding the Fourth Proportional to 166,812.43, 230,201.61 and 90,332.42
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Solution
The fourth proportional to 166,812.43, 230,201.61 and 90,332.42 is: 124,658.99
Step by Step Solution
- Step 1: Write the proportion equation
166,812.43 : 230,201.61 = 90,332.42 : x - Step 2: Convert to fraction form
166,812.43/230,201.61 = 90,332.42/x - Step 3: Cross multiply
166,812.43x = 230,201.61 × 90,332.42 - Step 4: Simplify right side
166,812.43x = 20,794,668,519.20 - Step 5: Solve for x
x = 20,794,668,519.20/166,812.43 - Step 6: Final answer
x = 124,658.99
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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.