Finding the Fourth Proportional to 127,749.08, 176,299.18 and 71,160.44
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Solution
The fourth proportional to 127,749.08, 176,299.18 and 71,160.44 is: 98,204.44
Step by Step Solution
- Step 1: Write the proportion equation
127,749.08 : 176,299.18 = 71,160.44 : x - Step 2: Convert to fraction form
127,749.08/176,299.18 = 71,160.44/x - Step 3: Cross multiply
127,749.08x = 176,299.18 × 71,160.44 - Step 4: Simplify right side
127,749.08x = 12,545,527,220.44 - Step 5: Solve for x
x = 12,545,527,220.44/127,749.08 - Step 6: Final answer
x = 98,204.44
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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.