Finding the Fourth Proportional to 120,963.08, 181,477.44 and 36,725.99
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Solution
The fourth proportional to 120,963.08, 181,477.44 and 36,725.99 is: 55,098.94
Step by Step Solution
- Step 1: Write the proportion equation
120,963.08 : 181,477.44 = 36,725.99 : x - Step 2: Convert to fraction form
120,963.08/181,477.44 = 36,725.99/x - Step 3: Cross multiply
120,963.08x = 181,477.44 × 36,725.99 - Step 4: Simplify right side
120,963.08x = 6,664,937,739.28 - Step 5: Solve for x
x = 6,664,937,739.28/120,963.08 - Step 6: Final answer
x = 55,098.94
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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.