Finding the Fourth Proportional to 107,463.03, 161,132.01 and 79,016.99
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Solution
The fourth proportional to 107,463.03, 161,132.01 and 79,016.99 is: 118,479.51
Step by Step Solution
- Step 1: Write the proportion equation
107,463.03 : 161,132.01 = 79,016.99 : x - Step 2: Convert to fraction form
107,463.03/161,132.01 = 79,016.99/x - Step 3: Cross multiply
107,463.03x = 161,132.01 × 79,016.99 - Step 4: Simplify right side
107,463.03x = 12,732,166,902.66 - Step 5: Solve for x
x = 12,732,166,902.66/107,463.03 - Step 6: Final answer
x = 118,479.51
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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.