Finding the Fourth Proportional to 127,246.12, 175,521.78 and 91,484.44
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Solution
The fourth proportional to 127,246.12, 175,521.78 and 91,484.44 is: 126,192.55
Step by Step Solution
- Step 1: Write the proportion equation
127,246.12 : 175,521.78 = 91,484.44 : x - Step 2: Convert to fraction form
127,246.12/175,521.78 = 91,484.44/x - Step 3: Cross multiply
127,246.12x = 175,521.78 × 91,484.44 - Step 4: Simplify right side
127,246.12x = 16,057,511,751.10 - Step 5: Solve for x
x = 16,057,511,751.10/127,246.12 - Step 6: Final answer
x = 126,192.55
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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.