Finding the Fourth Proportional to 122,987.48, 184,481.26 and 94,948.44
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Solution
The fourth proportional to 122,987.48, 184,481.26 and 94,948.44 is: 142,422.69
Step by Step Solution
- Step 1: Write the proportion equation
122,987.48 : 184,481.26 = 94,948.44 : x - Step 2: Convert to fraction form
122,987.48/184,481.26 = 94,948.44/x - Step 3: Cross multiply
122,987.48x = 184,481.26 × 94,948.44 - Step 4: Simplify right side
122,987.48x = 17,516,207,846.23 - Step 5: Solve for x
x = 17,516,207,846.23/122,987.48 - Step 6: Final answer
x = 142,422.69
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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.