Finding the Fourth Proportional to 126,803.36, 174,988.62 and 70,214.73
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Solution
The fourth proportional to 126,803.36, 174,988.62 and 70,214.73 is: 96,896.32
Step by Step Solution
- Step 1: Write the proportion equation
126,803.36 : 174,988.62 = 70,214.73 : x - Step 2: Convert to fraction form
126,803.36/174,988.62 = 70,214.73/x - Step 3: Cross multiply
126,803.36x = 174,988.62 × 70,214.73 - Step 4: Simplify right side
126,803.36x = 12,286,778,706.37 - Step 5: Solve for x
x = 12,286,778,706.37/126,803.36 - Step 6: Final answer
x = 96,896.32
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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.