Finding the Fourth Proportional to 119,006.99, 178,422.99 and 56,721.23
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Solution
The fourth proportional to 119,006.99, 178,422.99 and 56,721.23 is: 85,040.14
Step by Step Solution
- Step 1: Write the proportion equation
119,006.99 : 178,422.99 = 56,721.23 : x - Step 2: Convert to fraction form
119,006.99/178,422.99 = 56,721.23/x - Step 3: Cross multiply
119,006.99x = 178,422.99 × 56,721.23 - Step 4: Simplify right side
119,006.99x = 10,120,371,453.08 - Step 5: Solve for x
x = 10,120,371,453.08/119,006.99 - Step 6: Final answer
x = 85,040.14
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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.