Finding the Fourth Proportional to 122,576.63, 169,154.75 and 68,860.52
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Solution
The fourth proportional to 122,576.63, 169,154.75 and 68,860.52 is: 95,026.95
Step by Step Solution
- Step 1: Write the proportion equation
122,576.63 : 169,154.75 = 68,860.52 : x - Step 2: Convert to fraction form
122,576.63/169,154.75 = 68,860.52/x - Step 3: Cross multiply
122,576.63x = 169,154.75 × 68,860.52 - Step 4: Simplify right side
122,576.63x = 11,648,082,855.39 - Step 5: Solve for x
x = 11,648,082,855.39/122,576.63 - Step 6: Final answer
x = 95,026.95
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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.