Finding the Fourth Proportional to 163,739.70, 225,960.44 and 92,119.77
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Solution
The fourth proportional to 163,739.70, 225,960.44 and 92,119.77 is: 127,125.09
Step by Step Solution
- Step 1: Write the proportion equation
163,739.70 : 225,960.44 = 92,119.77 : x - Step 2: Convert to fraction form
163,739.70/225,960.44 = 92,119.77/x - Step 3: Cross multiply
163,739.70x = 225,960.44 × 92,119.77 - Step 4: Simplify right side
163,739.70x = 20,815,423,301.30 - Step 5: Solve for x
x = 20,815,423,301.30/163,739.70 - Step 6: Final answer
x = 127,125.09
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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.