Finding the Fourth Proportional to 126,823.95, 190,098.63 and 82,482.53
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Solution
The fourth proportional to 126,823.95, 190,098.63 and 82,482.53 is: 123,634.49
Step by Step Solution
- Step 1: Write the proportion equation
126,823.95 : 190,098.63 = 82,482.53 : x - Step 2: Convert to fraction form
126,823.95/190,098.63 = 82,482.53/x - Step 3: Cross multiply
126,823.95x = 190,098.63 × 82,482.53 - Step 4: Simplify right side
126,823.95x = 15,679,815,001.44 - Step 5: Solve for x
x = 15,679,815,001.44/126,823.95 - Step 6: Final answer
x = 123,634.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.