Finding the Fourth Proportional to 126,393.68, 174,425.64 and 69,803.84
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Solution
The fourth proportional to 126,393.68, 174,425.64 and 69,803.84 is: 96,330.60
Step by Step Solution
- Step 1: Write the proportion equation
126,393.68 : 174,425.64 = 69,803.84 : x - Step 2: Convert to fraction form
126,393.68/174,425.64 = 69,803.84/x - Step 3: Cross multiply
126,393.68x = 174,425.64 × 69,803.84 - Step 4: Simplify right side
126,393.68x = 12,175,579,466.46 - Step 5: Solve for x
x = 12,175,579,466.46/126,393.68 - Step 6: Final answer
x = 96,330.60
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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.