Finding the Fourth Proportional to 119,774.07, 179,699.99 and 102,137.54
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Solution
The fourth proportional to 119,774.07, 179,699.99 and 102,137.54 is: 153,239.46
Step by Step Solution
- Step 1: Write the proportion equation
119,774.07 : 179,699.99 = 102,137.54 : x - Step 2: Convert to fraction form
119,774.07/179,699.99 = 102,137.54/x - Step 3: Cross multiply
119,774.07x = 179,699.99 × 102,137.54 - Step 4: Simplify right side
119,774.07x = 18,354,113,507.44 - Step 5: Solve for x
x = 18,354,113,507.44/119,774.07 - Step 6: Final answer
x = 153,239.46
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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.