Finding the Fourth Proportional to 150,063.36, 207,115.14 and 96,415.44
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Solution
The fourth proportional to 150,063.36, 207,115.14 and 96,415.44 is: 133,071.11
Step by Step Solution
- Step 1: Write the proportion equation
150,063.36 : 207,115.14 = 96,415.44 : x - Step 2: Convert to fraction form
150,063.36/207,115.14 = 96,415.44/x - Step 3: Cross multiply
150,063.36x = 207,115.14 × 96,415.44 - Step 4: Simplify right side
150,063.36x = 19,969,097,353.76 - Step 5: Solve for x
x = 19,969,097,353.76/150,063.36 - Step 6: Final answer
x = 133,071.11
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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.