Finding the Fourth Proportional to 110,896.98, 166,226.67 and 79,210.94
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Solution
The fourth proportional to 110,896.98, 166,226.67 and 79,210.94 is: 118,731.56
Step by Step Solution
- Step 1: Write the proportion equation
110,896.98 : 166,226.67 = 79,210.94 : x - Step 2: Convert to fraction form
110,896.98/166,226.67 = 79,210.94/x - Step 3: Cross multiply
110,896.98x = 166,226.67 × 79,210.94 - Step 4: Simplify right side
110,896.98x = 13,166,970,566.23 - Step 5: Solve for x
x = 13,166,970,566.23/110,896.98 - Step 6: Final answer
x = 118,731.56
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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.