Finding the Fourth Proportional to 107,135.64, 160,726.96 and 40,576.26
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Solution
The fourth proportional to 107,135.64, 160,726.96 and 40,576.26 is: 60,873.29
Step by Step Solution
- Step 1: Write the proportion equation
107,135.64 : 160,726.96 = 40,576.26 : x - Step 2: Convert to fraction form
107,135.64/160,726.96 = 40,576.26/x - Step 3: Cross multiply
107,135.64x = 160,726.96 × 40,576.26 - Step 4: Simplify right side
107,135.64x = 6,521,698,917.97 - Step 5: Solve for x
x = 6,521,698,917.97/107,135.64 - Step 6: Final answer
x = 60,873.29
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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.