Finding the Fourth Proportional to 135,271.08, 186,662.34 and 74,840.76
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Solution
The fourth proportional to 135,271.08, 186,662.34 and 74,840.76 is: 103,273.75
Step by Step Solution
- Step 1: Write the proportion equation
135,271.08 : 186,662.34 = 74,840.76 : x - Step 2: Convert to fraction form
135,271.08/186,662.34 = 74,840.76/x - Step 3: Cross multiply
135,271.08x = 186,662.34 × 74,840.76 - Step 4: Simplify right side
135,271.08x = 13,969,951,388.98 - Step 5: Solve for x
x = 13,969,951,388.98/135,271.08 - Step 6: Final answer
x = 103,273.75
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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.