Finding the Fourth Proportional to 177,746.97, 245,144.68 and 126,743.40
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Solution
The fourth proportional to 177,746.97, 245,144.68 and 126,743.40 is: 174,801.68
Step by Step Solution
- Step 1: Write the proportion equation
177,746.97 : 245,144.68 = 126,743.40 : x - Step 2: Convert to fraction form
177,746.97/245,144.68 = 126,743.40/x - Step 3: Cross multiply
177,746.97x = 245,144.68 × 126,743.40 - Step 4: Simplify right side
177,746.97x = 31,070,469,918.25 - Step 5: Solve for x
x = 31,070,469,918.25/177,746.97 - Step 6: Final answer
x = 174,801.68
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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.