Finding the Fourth Proportional to 165,137.94, 227,904.41 and 93,530.70
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Solution
The fourth proportional to 165,137.94, 227,904.41 and 93,530.70 is: 129,080.32
Step by Step Solution
- Step 1: Write the proportion equation
165,137.94 : 227,904.41 = 93,530.70 : x - Step 2: Convert to fraction form
165,137.94/227,904.41 = 93,530.70/x - Step 3: Cross multiply
165,137.94x = 227,904.41 × 93,530.70 - Step 4: Simplify right side
165,137.94x = 21,316,057,393.21 - Step 5: Solve for x
x = 21,316,057,393.21/165,137.94 - Step 6: Final answer
x = 129,080.32
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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.