Finding the Fourth Proportional to 118,676.98, 163,700.49 and 73,368.82
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Solution
The fourth proportional to 118,676.98, 163,700.49 and 73,368.82 is: 101,203.38
Step by Step Solution
- Step 1: Write the proportion equation
118,676.98 : 163,700.49 = 73,368.82 : x - Step 2: Convert to fraction form
118,676.98/163,700.49 = 73,368.82/x - Step 3: Cross multiply
118,676.98x = 163,700.49 × 73,368.82 - Step 4: Simplify right side
118,676.98x = 12,010,511,784.72 - Step 5: Solve for x
x = 12,010,511,784.72/118,676.98 - Step 6: Final answer
x = 101,203.38
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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.