Finding the Fourth Proportional to 126,671.44, 174,809.28 and 75,736.84
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Solution
The fourth proportional to 126,671.44, 174,809.28 and 75,736.84 is: 104,518.45
Step by Step Solution
- Step 1: Write the proportion equation
126,671.44 : 174,809.28 = 75,736.84 : x - Step 2: Convert to fraction form
126,671.44/174,809.28 = 75,736.84/x - Step 3: Cross multiply
126,671.44x = 174,809.28 × 75,736.84 - Step 4: Simplify right side
126,671.44x = 13,239,502,469.88 - Step 5: Solve for x
x = 13,239,502,469.88/126,671.44 - Step 6: Final answer
x = 104,518.45
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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.