Finding the Fourth Proportional to 122,986.21, 184,193.25 and 118,724.41
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Solution
The fourth proportional to 122,986.21, 184,193.25 and 118,724.41 is: 177,810.46
Step by Step Solution
- Step 1: Write the proportion equation
122,986.21 : 184,193.25 = 118,724.41 : x - Step 2: Convert to fraction form
122,986.21/184,193.25 = 118,724.41/x - Step 3: Cross multiply
122,986.21x = 184,193.25 × 118,724.41 - Step 4: Simplify right side
122,986.21x = 21,868,234,932.23 - Step 5: Solve for x
x = 21,868,234,932.23/122,986.21 - Step 6: Final answer
x = 177,810.46
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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.