Finding the Fourth Proportional to 122,226.08, 168,679.79 and 68,511.11
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Solution
The fourth proportional to 122,226.08, 168,679.79 and 68,511.11 is: 94,549.70
Step by Step Solution
- Step 1: Write the proportion equation
122,226.08 : 168,679.79 = 68,511.11 : x - Step 2: Convert to fraction form
122,226.08/168,679.79 = 68,511.11/x - Step 3: Cross multiply
122,226.08x = 168,679.79 × 68,511.11 - Step 4: Simplify right side
122,226.08x = 11,556,439,983.53 - Step 5: Solve for x
x = 11,556,439,983.53/122,226.08 - Step 6: Final answer
x = 94,549.70
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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.