Finding the Fourth Proportional to 166,138.60, 229,263.26 and 94,511.88
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Solution
The fourth proportional to 166,138.60, 229,263.26 and 94,511.88 is: 130,421.84
Step by Step Solution
- Step 1: Write the proportion equation
166,138.60 : 229,263.26 = 94,511.88 : x - Step 2: Convert to fraction form
166,138.60/229,263.26 = 94,511.88/x - Step 3: Cross multiply
166,138.60x = 229,263.26 × 94,511.88 - Step 4: Simplify right side
166,138.60x = 21,668,101,717.53 - Step 5: Solve for x
x = 21,668,101,717.53/166,138.60 - Step 6: Final answer
x = 130,421.84
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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.