Finding the Fourth Proportional to 134,550.06, 185,676.75 and 77,966.70
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Solution
The fourth proportional to 134,550.06, 185,676.75 and 77,966.70 is: 107,592.69
Step by Step Solution
- Step 1: Write the proportion equation
134,550.06 : 185,676.75 = 77,966.70 : x - Step 2: Convert to fraction form
134,550.06/185,676.75 = 77,966.70/x - Step 3: Cross multiply
134,550.06x = 185,676.75 × 77,966.70 - Step 4: Simplify right side
134,550.06x = 14,476,603,464.23 - Step 5: Solve for x
x = 14,476,603,464.23/134,550.06 - Step 6: Final answer
x = 107,592.69
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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.