Finding the Fourth Proportional to 127,104.68, 175,259.94 and 81,102.44
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Solution
The fourth proportional to 127,104.68, 175,259.94 and 81,102.44 is: 111,829.15
Step by Step Solution
- Step 1: Write the proportion equation
127,104.68 : 175,259.94 = 81,102.44 : x - Step 2: Convert to fraction form
127,104.68/175,259.94 = 81,102.44/x - Step 3: Cross multiply
127,104.68x = 175,259.94 × 81,102.44 - Step 4: Simplify right side
127,104.68x = 14,214,008,768.25 - Step 5: Solve for x
x = 14,214,008,768.25/127,104.68 - Step 6: Final answer
x = 111,829.15
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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.