Finding the Fourth Proportional to 126,573.40, 174,787.26 and 101,605.72
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Solution
The fourth proportional to 126,573.40, 174,787.26 and 101,605.72 is: 140,308.99
Step by Step Solution
- Step 1: Write the proportion equation
126,573.40 : 174,787.26 = 101,605.72 : x - Step 2: Convert to fraction form
126,573.40/174,787.26 = 101,605.72/x - Step 3: Cross multiply
126,573.40x = 174,787.26 × 101,605.72 - Step 4: Simplify right side
126,573.40x = 17,759,385,399.13 - Step 5: Solve for x
x = 17,759,385,399.13/126,573.40 - Step 6: Final answer
x = 140,308.99
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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.