Finding the Fourth Proportional to 122,274.99, 168,749.27 and 67,832.53
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Solution
The fourth proportional to 122,274.99, 168,749.27 and 67,832.53 is: 93,614.31
Step by Step Solution
- Step 1: Write the proportion equation
122,274.99 : 168,749.27 = 67,832.53 : x - Step 2: Convert to fraction form
122,274.99/168,749.27 = 67,832.53/x - Step 3: Cross multiply
122,274.99x = 168,749.27 × 67,832.53 - Step 4: Simplify right side
122,274.99x = 11,446,689,158.72 - Step 5: Solve for x
x = 11,446,689,158.72/122,274.99 - Step 6: Final answer
x = 93,614.31
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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.