Finding the Fourth Proportional to 97,461.80, 146,192.70 and 74,133.80
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Solution
The fourth proportional to 97,461.80, 146,192.70 and 74,133.80 is: 111,200.70
Step by Step Solution
- Step 1: Write the proportion equation
97,461.80 : 146,192.70 = 74,133.80 : x - Step 2: Convert to fraction form
97,461.80/146,192.70 = 74,133.80/x - Step 3: Cross multiply
97,461.80x = 146,192.70 × 74,133.80 - Step 4: Simplify right side
97,461.80x = 10,837,820,383.26 - Step 5: Solve for x
x = 10,837,820,383.26/97,461.80 - Step 6: Final answer
x = 111,200.70
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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.