Finding the Fourth Proportional to 114,820.14, 158,529.11 and 102,682.96
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Solution
The fourth proportional to 114,820.14, 158,529.11 and 102,682.96 is: 141,771.63
Step by Step Solution
- Step 1: Write the proportion equation
114,820.14 : 158,529.11 = 102,682.96 : x - Step 2: Convert to fraction form
114,820.14/158,529.11 = 102,682.96/x - Step 3: Cross multiply
114,820.14x = 158,529.11 × 102,682.96 - Step 4: Simplify right side
114,820.14x = 16,278,238,260.97 - Step 5: Solve for x
x = 16,278,238,260.97/114,820.14 - Step 6: Final answer
x = 141,771.63
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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.