Finding the Fourth Proportional to 127,799.33, 176,359.14 and 80,078.99
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Solution
The fourth proportional to 127,799.33, 176,359.14 and 80,078.99 is: 110,506.54
Step by Step Solution
- Step 1: Write the proportion equation
127,799.33 : 176,359.14 = 80,078.99 : x - Step 2: Convert to fraction form
127,799.33/176,359.14 = 80,078.99/x - Step 3: Cross multiply
127,799.33x = 176,359.14 × 80,078.99 - Step 4: Simplify right side
127,799.33x = 14,122,660,926.67 - Step 5: Solve for x
x = 14,122,660,926.67/127,799.33 - Step 6: Final answer
x = 110,506.54
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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.