Finding the Fourth Proportional to 168,282.97, 232,231.16 and 91,803.69
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Solution
The fourth proportional to 168,282.97, 232,231.16 and 91,803.69 is: 126,689.45
Step by Step Solution
- Step 1: Write the proportion equation
168,282.97 : 232,231.16 = 91,803.69 : x - Step 2: Convert to fraction form
168,282.97/232,231.16 = 91,803.69/x - Step 3: Cross multiply
168,282.97x = 232,231.16 × 91,803.69 - Step 4: Simplify right side
168,282.97x = 21,319,677,420.98 - Step 5: Solve for x
x = 21,319,677,420.98/168,282.97 - Step 6: Final answer
x = 126,689.45
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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.