Finding the Fourth Proportional to 127,654.89, 176,162.17 and 70,292.99
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Solution
The fourth proportional to 127,654.89, 176,162.17 and 70,292.99 is: 97,003.46
Step by Step Solution
- Step 1: Write the proportion equation
127,654.89 : 176,162.17 = 70,292.99 : x - Step 2: Convert to fraction form
127,654.89/176,162.17 = 70,292.99/x - Step 3: Cross multiply
127,654.89x = 176,162.17 × 70,292.99 - Step 4: Simplify right side
127,654.89x = 12,382,965,357.51 - Step 5: Solve for x
x = 12,382,965,357.51/127,654.89 - Step 6: Final answer
x = 97,003.46
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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.