Finding the Fourth Proportional to 133,706.92, 184,599.42 and 86,043.08
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Solution
The fourth proportional to 133,706.92, 184,599.42 and 86,043.08 is: 118,793.42
Step by Step Solution
- Step 1: Write the proportion equation
133,706.92 : 184,599.42 = 86,043.08 : x - Step 2: Convert to fraction form
133,706.92/184,599.42 = 86,043.08/x - Step 3: Cross multiply
133,706.92x = 184,599.42 × 86,043.08 - Step 4: Simplify right side
133,706.92x = 15,883,502,663.01 - Step 5: Solve for x
x = 15,883,502,663.01/133,706.92 - Step 6: Final answer
x = 118,793.42
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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.