Finding the Fourth Proportional to 107,368.80, 160,858.80 and 91,816.80
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Solution
The fourth proportional to 107,368.80, 160,858.80 and 91,816.80 is: 137,558.96
Step by Step Solution
- Step 1: Write the proportion equation
107,368.80 : 160,858.80 = 91,816.80 : x - Step 2: Convert to fraction form
107,368.80/160,858.80 = 91,816.80/x - Step 3: Cross multiply
107,368.80x = 160,858.80 × 91,816.80 - Step 4: Simplify right side
107,368.80x = 14,769,540,267.84 - Step 5: Solve for x
x = 14,769,540,267.84/107,368.80 - Step 6: Final answer
x = 137,558.96
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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.