Finding the Fourth Proportional to 135,985.58, 187,654.02 and 75,560.48
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Solution
The fourth proportional to 135,985.58, 187,654.02 and 75,560.48 is: 104,270.08
Step by Step Solution
- Step 1: Write the proportion equation
135,985.58 : 187,654.02 = 75,560.48 : x - Step 2: Convert to fraction form
135,985.58/187,654.02 = 75,560.48/x - Step 3: Cross multiply
135,985.58x = 187,654.02 × 75,560.48 - Step 4: Simplify right side
135,985.58x = 14,179,227,825.13 - Step 5: Solve for x
x = 14,179,227,825.13/135,985.58 - Step 6: Final answer
x = 104,270.08
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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.