Finding the Fourth Proportional to 135,293.84, 186,700.68 and 74,863.44
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Solution
The fourth proportional to 135,293.84, 186,700.68 and 74,863.44 is: 103,308.88
Step by Step Solution
- Step 1: Write the proportion equation
135,293.84 : 186,700.68 = 74,863.44 : x - Step 2: Convert to fraction form
135,293.84/186,700.68 = 74,863.44/x - Step 3: Cross multiply
135,293.84x = 186,700.68 × 74,863.44 - Step 4: Simplify right side
135,293.84x = 13,977,055,155.14 - Step 5: Solve for x
x = 13,977,055,155.14/135,293.84 - Step 6: Final answer
x = 103,308.88
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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.