Finding the Fourth Proportional to 127,126.99, 175,467.50 and 86,857.03
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Solution
The fourth proportional to 127,126.99, 175,467.50 and 86,857.03 is: 119,884.74
Step by Step Solution
- Step 1: Write the proportion equation
127,126.99 : 175,467.50 = 86,857.03 : x - Step 2: Convert to fraction form
127,126.99/175,467.50 = 86,857.03/x - Step 3: Cross multiply
127,126.99x = 175,467.50 × 86,857.03 - Step 4: Simplify right side
127,126.99x = 15,240,585,911.53 - Step 5: Solve for x
x = 15,240,585,911.53/127,126.99 - Step 6: Final answer
x = 119,884.74
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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.