Finding the Fourth Proportional to 125,599.91, 189,237.60 and 113,605.92
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Solution
The fourth proportional to 125,599.91, 189,237.60 and 113,605.92 is: 171,166.62
Step by Step Solution
- Step 1: Write the proportion equation
125,599.91 : 189,237.60 = 113,605.92 : x - Step 2: Convert to fraction form
125,599.91/189,237.60 = 113,605.92/x - Step 3: Cross multiply
125,599.91x = 189,237.60 × 113,605.92 - Step 4: Simplify right side
125,599.91x = 21,498,511,646.59 - Step 5: Solve for x
x = 21,498,511,646.59/125,599.91 - Step 6: Final answer
x = 171,166.62
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.