Finding the Fourth Proportional to 126,362.55, 189,335.46 and 113,340.99
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Solution
The fourth proportional to 126,362.55, 189,335.46 and 113,340.99 is: 169,824.59
Step by Step Solution
- Step 1: Write the proportion equation
126,362.55 : 189,335.46 = 113,340.99 : x - Step 2: Convert to fraction form
126,362.55/189,335.46 = 113,340.99/x - Step 3: Cross multiply
126,362.55x = 189,335.46 × 113,340.99 - Step 4: Simplify right side
126,362.55x = 21,459,468,478.51 - Step 5: Solve for x
x = 21,459,468,478.51/126,362.55 - Step 6: Final answer
x = 169,824.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.