Finding the Fourth Proportional to 106,351.36, 159,542.16 and 36,242.08
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Solution
The fourth proportional to 106,351.36, 159,542.16 and 36,242.08 is: 54,368.27
Step by Step Solution
- Step 1: Write the proportion equation
106,351.36 : 159,542.16 = 36,242.08 : x - Step 2: Convert to fraction form
106,351.36/159,542.16 = 36,242.08/x - Step 3: Cross multiply
106,351.36x = 159,542.16 × 36,242.08 - Step 4: Simplify right side
106,351.36x = 5,782,139,726.09 - Step 5: Solve for x
x = 5,782,139,726.09/106,351.36 - Step 6: Final answer
x = 54,368.27
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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.