Finding the Fourth Proportional to 101,715.36, 152,598.41 and 71,788.06
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Solution
The fourth proportional to 101,715.36, 152,598.41 and 71,788.06 is: 107,699.99
Step by Step Solution
- Step 1: Write the proportion equation
101,715.36 : 152,598.41 = 71,788.06 : x - Step 2: Convert to fraction form
101,715.36/152,598.41 = 71,788.06/x - Step 3: Cross multiply
101,715.36x = 152,598.41 × 71,788.06 - Step 4: Simplify right side
101,715.36x = 10,954,743,888.62 - Step 5: Solve for x
x = 10,954,743,888.62/101,715.36 - Step 6: Final answer
x = 107,699.99
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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.