Finding the Fourth Proportional to 168,219.29, 232,139.67 and 91,738.97
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Solution
The fourth proportional to 168,219.29, 232,139.67 and 91,738.97 is: 126,598.17
Step by Step Solution
- Step 1: Write the proportion equation
168,219.29 : 232,139.67 = 91,738.97 : x - Step 2: Convert to fraction form
168,219.29/232,139.67 = 91,738.97/x - Step 3: Cross multiply
168,219.29x = 232,139.67 × 91,738.97 - Step 4: Simplify right side
168,219.29x = 21,296,253,061.24 - Step 5: Solve for x
x = 21,296,253,061.24/168,219.29 - Step 6: Final answer
x = 126,598.17
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1.5x scale
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.