Finding the Fourth Proportional to 110,676.18, 165,151.06 and 98,747.95
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Solution
The fourth proportional to 110,676.18, 165,151.06 and 98,747.95 is: 147,351.75
Step by Step Solution
- Step 1: Write the proportion equation
110,676.18 : 165,151.06 = 98,747.95 : x - Step 2: Convert to fraction form
110,676.18/165,151.06 = 98,747.95/x - Step 3: Cross multiply
110,676.18x = 165,151.06 × 98,747.95 - Step 4: Simplify right side
110,676.18x = 16,308,328,121.59 - Step 5: Solve for x
x = 16,308,328,121.59/110,676.18 - Step 6: Final answer
x = 147,351.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.