Finding the Fourth Proportional to 104,506.92, 144,220.86 and 56,761.08
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Solution
The fourth proportional to 104,506.92, 144,220.86 and 56,761.08 is: 78,331.00
Step by Step Solution
- Step 1: Write the proportion equation
104,506.92 : 144,220.86 = 56,761.08 : x - Step 2: Convert to fraction form
104,506.92/144,220.86 = 56,761.08/x - Step 3: Cross multiply
104,506.92x = 144,220.86 × 56,761.08 - Step 4: Simplify right side
104,506.92x = 8,186,131,772.13 - Step 5: Solve for x
x = 8,186,131,772.13/104,506.92 - Step 6: Final answer
x = 78,331.00
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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.