Finding the Fourth Proportional to 110,682.24, 166,136.36 and 81,011.94
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Solution
The fourth proportional to 110,682.24, 166,136.36 and 81,011.94 is: 121,600.61
Step by Step Solution
- Step 1: Write the proportion equation
110,682.24 : 166,136.36 = 81,011.94 : x - Step 2: Convert to fraction form
110,682.24/166,136.36 = 81,011.94/x - Step 3: Cross multiply
110,682.24x = 166,136.36 × 81,011.94 - Step 4: Simplify right side
110,682.24x = 13,459,028,423.08 - Step 5: Solve for x
x = 13,459,028,423.08/110,682.24 - Step 6: Final answer
x = 121,600.61
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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.