Finding the Fourth Proportional to 127,665.36, 176,177.16 and 71,073.36
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Solution
The fourth proportional to 127,665.36, 176,177.16 and 71,073.36 is: 98,080.66
Step by Step Solution
- Step 1: Write the proportion equation
127,665.36 : 176,177.16 = 71,073.36 : x - Step 2: Convert to fraction form
127,665.36/176,177.16 = 71,073.36/x - Step 3: Cross multiply
127,665.36x = 176,177.16 × 71,073.36 - Step 4: Simplify right side
127,665.36x = 12,521,502,716.46 - Step 5: Solve for x
x = 12,521,502,716.46/127,665.36 - Step 6: Final answer
x = 98,080.66
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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.