Finding the Fourth Proportional to 126,134.58, 174,062.44 and 68,774.96
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Solution
The fourth proportional to 126,134.58, 174,062.44 and 68,774.96 is: 94,907.66
Step by Step Solution
- Step 1: Write the proportion equation
126,134.58 : 174,062.44 = 68,774.96 : x - Step 2: Convert to fraction form
126,134.58/174,062.44 = 68,774.96/x - Step 3: Cross multiply
126,134.58x = 174,062.44 × 68,774.96 - Step 4: Simplify right side
126,134.58x = 11,971,137,348.50 - Step 5: Solve for x
x = 11,971,137,348.50/126,134.58 - Step 6: Final answer
x = 94,907.66
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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.