Finding the Fourth Proportional to 101,253.94, 139,724.64 and 60,464.09
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Solution
The fourth proportional to 101,253.94, 139,724.64 and 60,464.09 is: 83,436.99
Step by Step Solution
- Step 1: Write the proportion equation
101,253.94 : 139,724.64 = 60,464.09 : x - Step 2: Convert to fraction form
101,253.94/139,724.64 = 60,464.09/x - Step 3: Cross multiply
101,253.94x = 139,724.64 × 60,464.09 - Step 4: Simplify right side
101,253.94x = 8,448,323,557.49 - Step 5: Solve for x
x = 8,448,323,557.49/101,253.94 - Step 6: Final answer
x = 83,436.99
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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.