Finding the Fourth Proportional to 130,908.96, 180,634.68 and 73,537.32
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Solution
The fourth proportional to 130,908.96, 180,634.68 and 73,537.32 is: 101,470.44
Step by Step Solution
- Step 1: Write the proportion equation
130,908.96 : 180,634.68 = 73,537.32 : x - Step 2: Convert to fraction form
130,908.96/180,634.68 = 73,537.32/x - Step 3: Cross multiply
130,908.96x = 180,634.68 × 73,537.32 - Step 4: Simplify right side
130,908.96x = 13,283,390,266.26 - Step 5: Solve for x
x = 13,283,390,266.26/130,908.96 - Step 6: Final answer
x = 101,470.44
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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.