Finding the Fourth Proportional to 142,622.99, 213,619.13 and 97,537.49
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Solution
The fourth proportional to 142,622.99, 213,619.13 and 97,537.49 is: 146,090.58
Step by Step Solution
- Step 1: Write the proportion equation
142,622.99 : 213,619.13 = 97,537.49 : x - Step 2: Convert to fraction form
142,622.99/213,619.13 = 97,537.49/x - Step 3: Cross multiply
142,622.99x = 213,619.13 × 97,537.49 - Step 4: Simplify right side
142,622.99x = 20,835,874,534.08 - Step 5: Solve for x
x = 20,835,874,534.08/142,622.99 - Step 6: Final answer
x = 146,090.58
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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.