Finding the Fourth Proportional to 125,610.92, 188,444.06 and 69,532.82
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Solution
The fourth proportional to 125,610.92, 188,444.06 and 69,532.82 is: 104,314.55
Step by Step Solution
- Step 1: Write the proportion equation
125,610.92 : 188,444.06 = 69,532.82 : x - Step 2: Convert to fraction form
125,610.92/188,444.06 = 69,532.82/x - Step 3: Cross multiply
125,610.92x = 188,444.06 × 69,532.82 - Step 4: Simplify right side
125,610.92x = 13,103,046,904.05 - Step 5: Solve for x
x = 13,103,046,904.05/125,610.92 - Step 6: Final answer
x = 104,314.55
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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.