Finding the Fourth Proportional to 118,922.92, 164,199.75 and 76,555.26
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Solution
The fourth proportional to 118,922.92, 164,199.75 and 76,555.26 is: 105,701.70
Step by Step Solution
- Step 1: Write the proportion equation
118,922.92 : 164,199.75 = 76,555.26 : x - Step 2: Convert to fraction form
118,922.92/164,199.75 = 76,555.26/x - Step 3: Cross multiply
118,922.92x = 164,199.75 × 76,555.26 - Step 4: Simplify right side
118,922.92x = 12,570,354,553.19 - Step 5: Solve for x
x = 12,570,354,553.19/118,922.92 - Step 6: Final answer
x = 105,701.70
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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.