Finding the Fourth Proportional to 99,439.11, 149,153.81 and 37,104.75
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Solution
The fourth proportional to 99,439.11, 149,153.81 and 37,104.75 is: 55,655.31
Step by Step Solution
- Step 1: Write the proportion equation
99,439.11 : 149,153.81 = 37,104.75 : x - Step 2: Convert to fraction form
99,439.11/149,153.81 = 37,104.75/x - Step 3: Cross multiply
99,439.11x = 149,153.81 × 37,104.75 - Step 4: Simplify right side
99,439.11x = 5,534,314,646.07 - Step 5: Solve for x
x = 5,534,314,646.07/99,439.11 - Step 6: Final answer
x = 55,655.31
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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.