Finding the Fourth Proportional to 102,448.08, 153,424.44 and 84,787.92
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Solution
The fourth proportional to 102,448.08, 153,424.44 and 84,787.92 is: 126,976.90
Step by Step Solution
- Step 1: Write the proportion equation
102,448.08 : 153,424.44 = 84,787.92 : x - Step 2: Convert to fraction form
102,448.08/153,424.44 = 84,787.92/x - Step 3: Cross multiply
102,448.08x = 153,424.44 × 84,787.92 - Step 4: Simplify right side
102,448.08x = 13,008,539,144.76 - Step 5: Solve for x
x = 13,008,539,144.76/102,448.08 - Step 6: Final answer
x = 126,976.90
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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.