Finding the Fourth Proportional to 119,624.67, 165,085.79 and 68,646.75
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Solution
The fourth proportional to 119,624.67, 165,085.79 and 68,646.75 is: 94,734.66
Step by Step Solution
- Step 1: Write the proportion equation
119,624.67 : 165,085.79 = 68,646.75 : x - Step 2: Convert to fraction form
119,624.67/165,085.79 = 68,646.75/x - Step 3: Cross multiply
119,624.67x = 165,085.79 × 68,646.75 - Step 4: Simplify right side
119,624.67x = 11,332,602,611.45 - Step 5: Solve for x
x = 11,332,602,611.45/119,624.67 - Step 6: Final answer
x = 94,734.66
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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.