Finding the Fourth Proportional to 119,318.26, 164,655.68 and 68,329.30
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Solution
The fourth proportional to 119,318.26, 164,655.68 and 68,329.30 is: 94,292.42
Step by Step Solution
- Step 1: Write the proportion equation
119,318.26 : 164,655.68 = 68,329.30 : x - Step 2: Convert to fraction form
119,318.26/164,655.68 = 68,329.30/x - Step 3: Cross multiply
119,318.26x = 164,655.68 × 68,329.30 - Step 4: Simplify right side
119,318.26x = 11,250,807,355.42 - Step 5: Solve for x
x = 11,250,807,355.42/119,318.26 - Step 6: Final answer
x = 94,292.42
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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.