Finding the Fourth Proportional to 159,753.99, 220,459.23 and 88,137.03
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Solution
The fourth proportional to 159,753.99, 220,459.23 and 88,137.03 is: 121,628.40
Step by Step Solution
- Step 1: Write the proportion equation
159,753.99 : 220,459.23 = 88,137.03 : x - Step 2: Convert to fraction form
159,753.99/220,459.23 = 88,137.03/x - Step 3: Cross multiply
159,753.99x = 220,459.23 × 88,137.03 - Step 4: Simplify right side
159,753.99x = 19,430,621,768.29 - Step 5: Solve for x
x = 19,430,621,768.29/159,753.99 - Step 6: Final answer
x = 121,628.40
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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.