Finding the Fourth Proportional to 133,168.25, 183,777.59 and 76,579.63
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Solution
The fourth proportional to 133,168.25, 183,777.59 and 76,579.63 is: 105,682.99
Step by Step Solution
- Step 1: Write the proportion equation
133,168.25 : 183,777.59 = 76,579.63 : x - Step 2: Convert to fraction form
133,168.25/183,777.59 = 76,579.63/x - Step 3: Cross multiply
133,168.25x = 183,777.59 × 76,579.63 - Step 4: Simplify right side
133,168.25x = 14,073,619,576.50 - Step 5: Solve for x
x = 14,073,619,576.50/133,168.25 - Step 6: Final answer
x = 105,682.99
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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.