Finding the Fourth Proportional to 107,739.18, 161,554.70 and 62,775.06
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Solution
The fourth proportional to 107,739.18, 161,554.70 and 62,775.06 is: 94,131.09
Step by Step Solution
- Step 1: Write the proportion equation
107,739.18 : 161,554.70 = 62,775.06 : x - Step 2: Convert to fraction form
107,739.18/161,554.70 = 62,775.06/x - Step 3: Cross multiply
107,739.18x = 161,554.70 × 62,775.06 - Step 4: Simplify right side
107,739.18x = 10,141,606,395.44 - Step 5: Solve for x
x = 10,141,606,395.44/107,739.18 - Step 6: Final answer
x = 94,131.09
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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.