Finding the Fourth Proportional to 124,516.99, 186,774.87 and 57,920.41
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Solution
The fourth proportional to 124,516.99, 186,774.87 and 57,920.41 is: 86,880.32
Step by Step Solution
- Step 1: Write the proportion equation
124,516.99 : 186,774.87 = 57,920.41 : x - Step 2: Convert to fraction form
124,516.99/186,774.87 = 57,920.41/x - Step 3: Cross multiply
124,516.99x = 186,774.87 × 57,920.41 - Step 4: Simplify right side
124,516.99x = 10,818,076,114.22 - Step 5: Solve for x
x = 10,818,076,114.22/124,516.99 - Step 6: Final answer
x = 86,880.32
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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.