Finding the Fourth Proportional to 133,093.05, 183,698.07 and 84,685.62
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Solution
The fourth proportional to 133,093.05, 183,698.07 and 84,685.62 is: 116,885.03
Step by Step Solution
- Step 1: Write the proportion equation
133,093.05 : 183,698.07 = 84,685.62 : x - Step 2: Convert to fraction form
133,093.05/183,698.07 = 84,685.62/x - Step 3: Cross multiply
133,093.05x = 183,698.07 × 84,685.62 - Step 4: Simplify right side
133,093.05x = 15,556,584,950.75 - Step 5: Solve for x
x = 15,556,584,950.75/133,093.05 - Step 6: Final answer
x = 116,885.03
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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.