Finding the Fourth Proportional to 160,838.92, 221,983.14 and 97,185.88
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Solution
The fourth proportional to 160,838.92, 221,983.14 and 97,185.88 is: 134,131.88
Step by Step Solution
- Step 1: Write the proportion equation
160,838.92 : 221,983.14 = 97,185.88 : x - Step 2: Convert to fraction form
160,838.92/221,983.14 = 97,185.88/x - Step 3: Cross multiply
160,838.92x = 221,983.14 × 97,185.88 - Step 4: Simplify right side
160,838.92x = 21,573,626,806.06 - Step 5: Solve for x
x = 21,573,626,806.06/160,838.92 - Step 6: Final answer
x = 134,131.88
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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.