Finding the Fourth Proportional to 131,464.08, 181,416.60 and 74,106.84
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Solution
The fourth proportional to 131,464.08, 181,416.60 and 74,106.84 is: 102,265.28
Step by Step Solution
- Step 1: Write the proportion equation
131,464.08 : 181,416.60 = 74,106.84 : x - Step 2: Convert to fraction form
131,464.08/181,416.60 = 74,106.84/x - Step 3: Cross multiply
131,464.08x = 181,416.60 × 74,106.84 - Step 4: Simplify right side
131,464.08x = 13,444,210,949.54 - Step 5: Solve for x
x = 13,444,210,949.54/131,464.08 - Step 6: Final answer
x = 102,265.28
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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.