Finding the Fourth Proportional to 145,905.68, 201,365.34 and 85,527.07
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Solution
The fourth proportional to 145,905.68, 201,365.34 and 85,527.07 is: 118,036.44
Step by Step Solution
- Step 1: Write the proportion equation
145,905.68 : 201,365.34 = 85,527.07 : x - Step 2: Convert to fraction form
145,905.68/201,365.34 = 85,527.07/x - Step 3: Cross multiply
145,905.68x = 201,365.34 × 85,527.07 - Step 4: Simplify right side
145,905.68x = 17,222,187,529.75 - Step 5: Solve for x
x = 17,222,187,529.75/145,905.68 - Step 6: Final answer
x = 118,036.44
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1.5x scale
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.