Finding the Fourth Proportional to 115,130.37, 158,837.76 and 69,775.63
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Solution
The fourth proportional to 115,130.37, 158,837.76 and 69,775.63 is: 96,264.82
Step by Step Solution
- Step 1: Write the proportion equation
115,130.37 : 158,837.76 = 69,775.63 : x - Step 2: Convert to fraction form
115,130.37/158,837.76 = 69,775.63/x - Step 3: Cross multiply
115,130.37x = 158,837.76 × 69,775.63 - Step 4: Simplify right side
115,130.37x = 11,083,004,771.79 - Step 5: Solve for x
x = 11,083,004,771.79/115,130.37 - Step 6: Final answer
x = 96,264.82
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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.