Finding the Fourth Proportional to 107,852.80, 148,839.68 and 60,103.68
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Solution
The fourth proportional to 107,852.80, 148,839.68 and 60,103.68 is: 82,944.65
Step by Step Solution
- Step 1: Write the proportion equation
107,852.80 : 148,839.68 = 60,103.68 : x - Step 2: Convert to fraction form
107,852.80/148,839.68 = 60,103.68/x - Step 3: Cross multiply
107,852.80x = 148,839.68 × 60,103.68 - Step 4: Simplify right side
107,852.80x = 8,945,812,498.02 - Step 5: Solve for x
x = 8,945,812,498.02/107,852.80 - Step 6: Final answer
x = 82,944.65
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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.