Finding the Fourth Proportional to 134,485.61, 201,760.02 and 75,362.09
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Solution
The fourth proportional to 134,485.61, 201,760.02 and 75,362.09 is: 113,060.84
Step by Step Solution
- Step 1: Write the proportion equation
134,485.61 : 201,760.02 = 75,362.09 : x - Step 2: Convert to fraction form
134,485.61/201,760.02 = 75,362.09/x - Step 3: Cross multiply
134,485.61x = 201,760.02 × 75,362.09 - Step 4: Simplify right side
134,485.61x = 15,205,055,776.84 - Step 5: Solve for x
x = 15,205,055,776.84/134,485.61 - Step 6: Final answer
x = 113,060.84
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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.