Finding the Fourth Proportional to 135,918.72, 187,395.84 and 97,202.88
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Solution
The fourth proportional to 135,918.72, 187,395.84 and 97,202.88 is: 134,016.97
Step by Step Solution
- Step 1: Write the proportion equation
135,918.72 : 187,395.84 = 97,202.88 : x - Step 2: Convert to fraction form
135,918.72/187,395.84 = 97,202.88/x - Step 3: Cross multiply
135,918.72x = 187,395.84 × 97,202.88 - Step 4: Simplify right side
135,918.72x = 18,215,415,348.02 - Step 5: Solve for x
x = 18,215,415,348.02/135,918.72 - Step 6: Final answer
x = 134,016.97
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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.