Finding the Fourth Proportional to 146,163.60, 201,748.86 and 85,747.32
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Solution
The fourth proportional to 146,163.60, 201,748.86 and 85,747.32 is: 118,356.58
Step by Step Solution
- Step 1: Write the proportion equation
146,163.60 : 201,748.86 = 85,747.32 : x - Step 2: Convert to fraction form
146,163.60/201,748.86 = 85,747.32/x - Step 3: Cross multiply
146,163.60x = 201,748.86 × 85,747.32 - Step 4: Simplify right side
146,163.60x = 17,299,424,058.06 - Step 5: Solve for x
x = 17,299,424,058.06/146,163.60 - Step 6: Final answer
x = 118,356.58
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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.