Finding the Fourth Proportional to 118,664.24, 163,755.42 and 67,675.65
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Solution
The fourth proportional to 118,664.24, 163,755.42 and 67,675.65 is: 93,391.70
Step by Step Solution
- Step 1: Write the proportion equation
118,664.24 : 163,755.42 = 67,675.65 : x - Step 2: Convert to fraction form
118,664.24/163,755.42 = 67,675.65/x - Step 3: Cross multiply
118,664.24x = 163,755.42 × 67,675.65 - Step 4: Simplify right side
118,664.24x = 11,082,254,923.46 - Step 5: Solve for x
x = 11,082,254,923.46/118,664.24 - Step 6: Final answer
x = 93,391.70
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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.