Finding the Fourth Proportional to 126,366.55, 189,341.46 and 113,344.99
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Solution
The fourth proportional to 126,366.55, 189,341.46 and 113,344.99 is: 169,830.59
Step by Step Solution
- Step 1: Write the proportion equation
126,366.55 : 189,341.46 = 113,344.99 : x - Step 2: Convert to fraction form
126,366.55/189,341.46 = 113,344.99/x - Step 3: Cross multiply
126,366.55x = 189,341.46 × 113,344.99 - Step 4: Simplify right side
126,366.55x = 21,460,905,890.29 - Step 5: Solve for x
x = 21,460,905,890.29/126,366.55 - Step 6: Final answer
x = 169,830.59
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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.