Finding the Fourth Proportional to 107,004.08, 147,698.36 and 61,712.26
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Solution
The fourth proportional to 107,004.08, 147,698.36 and 61,712.26 is: 85,181.79
Step by Step Solution
- Step 1: Write the proportion equation
107,004.08 : 147,698.36 = 61,712.26 : x - Step 2: Convert to fraction form
107,004.08/147,698.36 = 61,712.26/x - Step 3: Cross multiply
107,004.08x = 147,698.36 × 61,712.26 - Step 4: Simplify right side
107,004.08x = 9,114,799,593.89 - Step 5: Solve for x
x = 9,114,799,593.89/107,004.08 - Step 6: Final answer
x = 85,181.79
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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.