Finding the Fourth Proportional to 126,804.15, 190,189.82 and 47,908.13
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Solution
The fourth proportional to 126,804.15, 190,189.82 and 47,908.13 is: 71,855.99
Step by Step Solution
- Step 1: Write the proportion equation
126,804.15 : 190,189.82 = 47,908.13 : x - Step 2: Convert to fraction form
126,804.15/190,189.82 = 47,908.13/x - Step 3: Cross multiply
126,804.15x = 190,189.82 × 47,908.13 - Step 4: Simplify right side
126,804.15x = 9,111,637,790.06 - Step 5: Solve for x
x = 9,111,637,790.06/126,804.15 - Step 6: Final answer
x = 71,855.99
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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.