Finding the Fourth Proportional to 124,528.05, 171,893.09 and 73,541.00
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Solution
The fourth proportional to 124,528.05, 171,893.09 and 73,541.00 is: 101,512.78
Step by Step Solution
- Step 1: Write the proportion equation
124,528.05 : 171,893.09 = 73,541.00 : x - Step 2: Convert to fraction form
124,528.05/171,893.09 = 73,541.00/x - Step 3: Cross multiply
124,528.05x = 171,893.09 × 73,541.00 - Step 4: Simplify right side
124,528.05x = 12,641,188,872.22 - Step 5: Solve for x
x = 12,641,188,872.22/124,528.05 - Step 6: Final answer
x = 101,512.78
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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.