Finding the Fourth Proportional to 135,202.24, 186,592.91 and 77,843.71
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Solution
The fourth proportional to 135,202.24, 186,592.91 and 77,843.71 is: 107,432.28
Step by Step Solution
- Step 1: Write the proportion equation
135,202.24 : 186,592.91 = 77,843.71 : x - Step 2: Convert to fraction form
135,202.24/186,592.91 = 77,843.71/x - Step 3: Cross multiply
135,202.24x = 186,592.91 × 77,843.71 - Step 4: Simplify right side
135,202.24x = 14,525,084,374.10 - Step 5: Solve for x
x = 14,525,084,374.10/135,202.24 - Step 6: Final answer
x = 107,432.28
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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.