Finding the Fourth Proportional to 168,190.06, 232,099.30 and 91,709.75
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Solution
The fourth proportional to 168,190.06, 232,099.30 and 91,709.75 is: 126,557.83
Step by Step Solution
- Step 1: Write the proportion equation
168,190.06 : 232,099.30 = 91,709.75 : x - Step 2: Convert to fraction form
168,190.06/232,099.30 = 91,709.75/x - Step 3: Cross multiply
168,190.06x = 232,099.30 × 91,709.75 - Step 4: Simplify right side
168,190.06x = 21,285,768,778.18 - Step 5: Solve for x
x = 21,285,768,778.18/168,190.06 - Step 6: Final answer
x = 126,557.83
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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.