Finding the Fourth Proportional to 159,756.54, 220,462.56 and 88,137.12
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Solution
The fourth proportional to 159,756.54, 220,462.56 and 88,137.12 is: 121,628.42
Step by Step Solution
- Step 1: Write the proportion equation
159,756.54 : 220,462.56 = 88,137.12 : x - Step 2: Convert to fraction form
159,756.54/220,462.56 = 88,137.12/x - Step 3: Cross multiply
159,756.54x = 220,462.56 × 88,137.12 - Step 4: Simplify right side
159,756.54x = 19,430,935,106.23 - Step 5: Solve for x
x = 19,430,935,106.23/159,756.54 - Step 6: Final answer
x = 121,628.42
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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.