Finding the Fourth Proportional to 107,115.44, 147,820.48 and 59,369.68
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Solution
The fourth proportional to 107,115.44, 147,820.48 and 59,369.68 is: 81,930.81
Step by Step Solution
- Step 1: Write the proportion equation
107,115.44 : 147,820.48 = 59,369.68 : x - Step 2: Convert to fraction form
107,115.44/147,820.48 = 59,369.68/x - Step 3: Cross multiply
107,115.44x = 147,820.48 × 59,369.68 - Step 4: Simplify right side
107,115.44x = 8,776,054,595.05 - Step 5: Solve for x
x = 8,776,054,595.05/107,115.44 - Step 6: Final answer
x = 81,930.81
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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.