Finding the Fourth Proportional to 127,997.08, 176,634.66 and 70,636.84
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Solution
The fourth proportional to 127,997.08, 176,634.66 and 70,636.84 is: 97,478.12
Step by Step Solution
- Step 1: Write the proportion equation
127,997.08 : 176,634.66 = 70,636.84 : x - Step 2: Convert to fraction form
127,997.08/176,634.66 = 70,636.84/x - Step 3: Cross multiply
127,997.08x = 176,634.66 × 70,636.84 - Step 4: Simplify right side
127,997.08x = 12,476,914,216.87 - Step 5: Solve for x
x = 12,476,914,216.87/127,997.08 - Step 6: Final answer
x = 97,478.12
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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.