Finding the Fourth Proportional to 186,695.75, 257,630.00 and 106,112.09
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Solution
The fourth proportional to 186,695.75, 257,630.00 and 106,112.09 is: 146,428.92
Step by Step Solution
- Step 1: Write the proportion equation
186,695.75 : 257,630.00 = 106,112.09 : x - Step 2: Convert to fraction form
186,695.75/257,630.00 = 106,112.09/x - Step 3: Cross multiply
186,695.75x = 257,630.00 × 106,112.09 - Step 4: Simplify right side
186,695.75x = 27,337,655,927.99 - Step 5: Solve for x
x = 27,337,655,927.99/186,695.75 - Step 6: Final answer
x = 146,428.92
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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.