Finding the Fourth Proportional to 125,925.06, 173,786.40 and 69,346.56
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Solution
The fourth proportional to 125,925.06, 173,786.40 and 69,346.56 is: 95,703.66
Step by Step Solution
- Step 1: Write the proportion equation
125,925.06 : 173,786.40 = 69,346.56 : x - Step 2: Convert to fraction form
125,925.06/173,786.40 = 69,346.56/x - Step 3: Cross multiply
125,925.06x = 173,786.40 × 69,346.56 - Step 4: Simplify right side
125,925.06x = 12,051,489,014.78 - Step 5: Solve for x
x = 12,051,489,014.78/125,925.06 - Step 6: Final answer
x = 95,703.66
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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.