Finding the Fourth Proportional to 135,071.80, 202,607.70 and 65,087.80
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Solution
The fourth proportional to 135,071.80, 202,607.70 and 65,087.80 is: 97,631.70
Step by Step Solution
- Step 1: Write the proportion equation
135,071.80 : 202,607.70 = 65,087.80 : x - Step 2: Convert to fraction form
135,071.80/202,607.70 = 65,087.80/x - Step 3: Cross multiply
135,071.80x = 202,607.70 × 65,087.80 - Step 4: Simplify right side
135,071.80x = 13,187,289,456.06 - Step 5: Solve for x
x = 13,187,289,456.06/135,071.80 - Step 6: Final answer
x = 97,631.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.