Finding the Fourth Proportional to 189,137.42, 261,116.43 and 125,562.14
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Solution
The fourth proportional to 189,137.42, 261,116.43 and 125,562.14 is: 173,346.65
Step by Step Solution
- Step 1: Write the proportion equation
189,137.42 : 261,116.43 = 125,562.14 : x - Step 2: Convert to fraction form
189,137.42/261,116.43 = 125,562.14/x - Step 3: Cross multiply
189,137.42x = 261,116.43 × 125,562.14 - Step 4: Simplify right side
189,137.42x = 32,786,337,739.96 - Step 5: Solve for x
x = 32,786,337,739.96/189,137.42 - Step 6: Final answer
x = 173,346.65
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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.