Finding the Fourth Proportional to 122,940.96, 169,658.28 and 69,226.20
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Solution
The fourth proportional to 122,940.96, 169,658.28 and 69,226.20 is: 95,532.02
Step by Step Solution
- Step 1: Write the proportion equation
122,940.96 : 169,658.28 = 69,226.20 : x - Step 2: Convert to fraction form
122,940.96/169,658.28 = 69,226.20/x - Step 3: Cross multiply
122,940.96x = 169,658.28 × 69,226.20 - Step 4: Simplify right side
122,940.96x = 11,744,798,022.94 - Step 5: Solve for x
x = 11,744,798,022.94/122,940.96 - Step 6: Final answer
x = 95,532.02
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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.