Finding the Fourth Proportional to 125,587.68, 188,129.84 and 75,639.84
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Solution
The fourth proportional to 125,587.68, 188,129.84 and 75,639.84 is: 113,308.18
Step by Step Solution
- Step 1: Write the proportion equation
125,587.68 : 188,129.84 = 75,639.84 : x - Step 2: Convert to fraction form
125,587.68/188,129.84 = 75,639.84/x - Step 3: Cross multiply
125,587.68x = 188,129.84 × 75,639.84 - Step 4: Simplify right side
125,587.68x = 14,230,110,996.83 - Step 5: Solve for x
x = 14,230,110,996.83/125,587.68 - Step 6: Final answer
x = 113,308.18
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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.