Finding the Fourth Proportional to 101,643.36, 152,296.56 and 71,913.84
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Solution
The fourth proportional to 101,643.36, 152,296.56 and 71,913.84 is: 107,751.56
Step by Step Solution
- Step 1: Write the proportion equation
101,643.36 : 152,296.56 = 71,913.84 : x - Step 2: Convert to fraction form
101,643.36/152,296.56 = 71,913.84/x - Step 3: Cross multiply
101,643.36x = 152,296.56 × 71,913.84 - Step 4: Simplify right side
101,643.36x = 10,952,230,448.39 - Step 5: Solve for x
x = 10,952,230,448.39/101,643.36 - Step 6: Final answer
x = 107,751.56
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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.