Finding the Fourth Proportional to 145,906.06, 201,365.86 and 85,527.44
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Solution
The fourth proportional to 145,906.06, 201,365.86 and 85,527.44 is: 118,036.95
Step by Step Solution
- Step 1: Write the proportion equation
145,906.06 : 201,365.86 = 85,527.44 : x - Step 2: Convert to fraction form
145,906.06/201,365.86 = 85,527.44/x - Step 3: Cross multiply
145,906.06x = 201,365.86 × 85,527.44 - Step 4: Simplify right side
145,906.06x = 17,222,306,509.20 - Step 5: Solve for x
x = 17,222,306,509.20/145,906.06 - Step 6: Final answer
x = 118,036.95
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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.