Finding the Fourth Proportional to 135,577.20, 187,094.26 and 74,322.96
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Solution
The fourth proportional to 135,577.20, 187,094.26 and 74,322.96 is: 102,564.44
Step by Step Solution
- Step 1: Write the proportion equation
135,577.20 : 187,094.26 = 74,322.96 : x - Step 2: Convert to fraction form
135,577.20/187,094.26 = 74,322.96/x - Step 3: Cross multiply
135,577.20x = 187,094.26 × 74,322.96 - Step 4: Simplify right side
135,577.20x = 13,905,399,202.21 - Step 5: Solve for x
x = 13,905,399,202.21/135,577.20 - Step 6: Final answer
x = 102,564.44
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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.