Finding the Fourth Proportional to 126,582.21, 189,801.36 and 51,614.55
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Solution
The fourth proportional to 126,582.21, 189,801.36 and 51,614.55 is: 77,392.48
Step by Step Solution
- Step 1: Write the proportion equation
126,582.21 : 189,801.36 = 51,614.55 : x - Step 2: Convert to fraction form
126,582.21/189,801.36 = 51,614.55/x - Step 3: Cross multiply
126,582.21x = 189,801.36 × 51,614.55 - Step 4: Simplify right side
126,582.21x = 9,796,511,785.79 - Step 5: Solve for x
x = 9,796,511,785.79/126,582.21 - Step 6: Final answer
x = 77,392.48
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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.