Finding the Fourth Proportional to 127,204.85, 175,556.68 and 72,762.05
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Solution
The fourth proportional to 127,204.85, 175,556.68 and 72,762.05 is: 100,419.63
Step by Step Solution
- Step 1: Write the proportion equation
127,204.85 : 175,556.68 = 72,762.05 : x - Step 2: Convert to fraction form
127,204.85/175,556.68 = 72,762.05/x - Step 3: Cross multiply
127,204.85x = 175,556.68 × 72,762.05 - Step 4: Simplify right side
127,204.85x = 12,773,864,184.98 - Step 5: Solve for x
x = 12,773,864,184.98/127,204.85 - Step 6: Final answer
x = 100,419.63
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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.