Finding the Fourth Proportional to 114,171.84, 157,634.70 and 71,168.58
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Solution
The fourth proportional to 114,171.84, 157,634.70 and 71,168.58 is: 98,260.99
Step by Step Solution
- Step 1: Write the proportion equation
114,171.84 : 157,634.70 = 71,168.58 : x - Step 2: Convert to fraction form
114,171.84/157,634.70 = 71,168.58/x - Step 3: Cross multiply
114,171.84x = 157,634.70 × 71,168.58 - Step 4: Simplify right side
114,171.84x = 11,218,637,757.73 - Step 5: Solve for x
x = 11,218,637,757.73/114,171.84 - Step 6: Final answer
x = 98,260.99
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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.