Finding the Fourth Proportional to 126,581.00, 189,913.10 and 51,764.09
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Solution
The fourth proportional to 126,581.00, 189,913.10 and 51,764.09 is: 77,663.14
Step by Step Solution
- Step 1: Write the proportion equation
126,581.00 : 189,913.10 = 51,764.09 : x - Step 2: Convert to fraction form
126,581.00/189,913.10 = 51,764.09/x - Step 3: Cross multiply
126,581.00x = 189,913.10 × 51,764.09 - Step 4: Simplify right side
126,581.00x = 9,830,677,592.19 - Step 5: Solve for x
x = 9,830,677,592.19/126,581.00 - Step 6: Final answer
x = 77,663.14
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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.