Finding the Fourth Proportional to 120,798.24, 166,708.98 and 67,083.63
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Solution
The fourth proportional to 120,798.24, 166,708.98 and 67,083.63 is: 92,579.52
Step by Step Solution
- Step 1: Write the proportion equation
120,798.24 : 166,708.98 = 67,083.63 : x - Step 2: Convert to fraction form
120,798.24/166,708.98 = 67,083.63/x - Step 3: Cross multiply
120,798.24x = 166,708.98 × 67,083.63 - Step 4: Simplify right side
120,798.24x = 11,183,443,532.00 - Step 5: Solve for x
x = 11,183,443,532.00/120,798.24 - Step 6: Final answer
x = 92,579.52
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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.