Finding the Fourth Proportional to 135,334.08, 186,939.52 and 103,891.52
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Solution
The fourth proportional to 135,334.08, 186,939.52 and 103,891.52 is: 143,507.32
Step by Step Solution
- Step 1: Write the proportion equation
135,334.08 : 186,939.52 = 103,891.52 : x - Step 2: Convert to fraction form
135,334.08/186,939.52 = 103,891.52/x - Step 3: Cross multiply
135,334.08x = 186,939.52 × 103,891.52 - Step 4: Simplify right side
135,334.08x = 19,421,430,880.87 - Step 5: Solve for x
x = 19,421,430,880.87/135,334.08 - Step 6: Final answer
x = 143,507.32
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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.