Finding the Fourth Proportional to 135,179.58, 186,544.52 and 74,748.68
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Solution
The fourth proportional to 135,179.58, 186,544.52 and 74,748.68 is: 103,151.35
Step by Step Solution
- Step 1: Write the proportion equation
135,179.58 : 186,544.52 = 74,748.68 : x - Step 2: Convert to fraction form
135,179.58/186,544.52 = 74,748.68/x - Step 3: Cross multiply
135,179.58x = 186,544.52 × 74,748.68 - Step 4: Simplify right side
135,179.58x = 13,943,956,631.23 - Step 5: Solve for x
x = 13,943,956,631.23/135,179.58 - Step 6: Final answer
x = 103,151.35
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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.