Finding the Fourth Proportional to 127,728.24, 176,257.53 and 93,878.88
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Solution
The fourth proportional to 127,728.24, 176,257.53 and 93,878.88 is: 129,547.39
Step by Step Solution
- Step 1: Write the proportion equation
127,728.24 : 176,257.53 = 93,878.88 : x - Step 2: Convert to fraction form
127,728.24/176,257.53 = 93,878.88/x - Step 3: Cross multiply
127,728.24x = 176,257.53 × 93,878.88 - Step 4: Simplify right side
127,728.24x = 16,546,859,507.97 - Step 5: Solve for x
x = 16,546,859,507.97/127,728.24 - Step 6: Final answer
x = 129,547.39
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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.