Finding the Fourth Proportional to 134,146.08, 185,122.08 and 77,556.96
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Solution
The fourth proportional to 134,146.08, 185,122.08 and 77,556.96 is: 107,028.89
Step by Step Solution
- Step 1: Write the proportion equation
134,146.08 : 185,122.08 = 77,556.96 : x - Step 2: Convert to fraction form
134,146.08/185,122.08 = 77,556.96/x - Step 3: Cross multiply
134,146.08x = 185,122.08 × 77,556.96 - Step 4: Simplify right side
134,146.08x = 14,357,505,753.68 - Step 5: Solve for x
x = 14,357,505,753.68/134,146.08 - Step 6: Final answer
x = 107,028.89
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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.