Finding the Fourth Proportional to 126,993.03, 175,252.41 and 69,637.59
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Solution
The fourth proportional to 126,993.03, 175,252.41 and 69,637.59 is: 96,100.99
Step by Step Solution
- Step 1: Write the proportion equation
126,993.03 : 175,252.41 = 69,637.59 : x - Step 2: Convert to fraction form
126,993.03/175,252.41 = 69,637.59/x - Step 3: Cross multiply
126,993.03x = 175,252.41 × 69,637.59 - Step 4: Simplify right side
126,993.03x = 12,204,155,474.09 - Step 5: Solve for x
x = 12,204,155,474.09/126,993.03 - Step 6: Final answer
x = 96,100.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.