Finding the Fourth Proportional to 133,234.48, 183,776.52 and 85,412.08
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Solution
The fourth proportional to 133,234.48, 183,776.52 and 85,412.08 is: 117,812.86
Step by Step Solution
- Step 1: Write the proportion equation
133,234.48 : 183,776.52 = 85,412.08 : x - Step 2: Convert to fraction form
133,234.48/183,776.52 = 85,412.08/x - Step 3: Cross multiply
133,234.48x = 183,776.52 × 85,412.08 - Step 4: Simplify right side
133,234.48x = 15,696,734,828.36 - Step 5: Solve for x
x = 15,696,734,828.36/133,234.48 - Step 6: Final answer
x = 117,812.86
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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.