Finding the Fourth Proportional to 130,895.49, 180,636.49 and 73,537.23
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Solution
The fourth proportional to 130,895.49, 180,636.49 and 73,537.23 is: 101,481.78
Step by Step Solution
- Step 1: Write the proportion equation
130,895.49 : 180,636.49 = 73,537.23 : x - Step 2: Convert to fraction form
130,895.49/180,636.49 = 73,537.23/x - Step 3: Cross multiply
130,895.49x = 180,636.49 × 73,537.23 - Step 4: Simplify right side
130,895.49x = 13,283,507,111.52 - Step 5: Solve for x
x = 13,283,507,111.52/130,895.49 - Step 6: Final answer
x = 101,481.78
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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.