Finding the Fourth Proportional to 148,160.97, 204,460.56 and 80,176.44
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Solution
The fourth proportional to 148,160.97, 204,460.56 and 80,176.44 is: 110,642.63
Step by Step Solution
- Step 1: Write the proportion equation
148,160.97 : 204,460.56 = 80,176.44 : x - Step 2: Convert to fraction form
148,160.97/204,460.56 = 80,176.44/x - Step 3: Cross multiply
148,160.97x = 204,460.56 × 80,176.44 - Step 4: Simplify right side
148,160.97x = 16,392,919,821.21 - Step 5: Solve for x
x = 16,392,919,821.21/148,160.97 - Step 6: Final answer
x = 110,642.63
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1.5x scale
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.