Finding the Fourth Proportional to 163,158.35, 225,387.92 and 125,911.31
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Solution
The fourth proportional to 163,158.35, 225,387.92 and 125,911.31 is: 173,934.63
Step by Step Solution
- Step 1: Write the proportion equation
163,158.35 : 225,387.92 = 125,911.31 : x - Step 2: Convert to fraction form
163,158.35/225,387.92 = 125,911.31/x - Step 3: Cross multiply
163,158.35x = 225,387.92 × 125,911.31 - Step 4: Simplify right side
163,158.35x = 28,378,887,635.82 - Step 5: Solve for x
x = 28,378,887,635.82/163,158.35 - Step 6: Final answer
x = 173,934.63
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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.