Finding the Fourth Proportional to 107,937.41, 161,919.68 and 57,948.80
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Solution
The fourth proportional to 107,937.41, 161,919.68 and 57,948.80 is: 86,930.48
Step by Step Solution
- Step 1: Write the proportion equation
107,937.41 : 161,919.68 = 57,948.80 : x - Step 2: Convert to fraction form
107,937.41/161,919.68 = 57,948.80/x - Step 3: Cross multiply
107,937.41x = 161,919.68 × 57,948.80 - Step 4: Simplify right side
107,937.41x = 9,383,050,053.04 - Step 5: Solve for x
x = 9,383,050,053.04/107,937.41 - Step 6: Final answer
x = 86,930.48
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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.