Finding the Fourth Proportional to 130,895.25, 180,636.14 and 73,536.99
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Solution
The fourth proportional to 130,895.25, 180,636.14 and 73,536.99 is: 101,481.43
Step by Step Solution
- Step 1: Write the proportion equation
130,895.25 : 180,636.14 = 73,536.99 : x - Step 2: Convert to fraction form
130,895.25/180,636.14 = 73,536.99/x - Step 3: Cross multiply
130,895.25x = 180,636.14 × 73,536.99 - Step 4: Simplify right side
130,895.25x = 13,283,437,653.13 - Step 5: Solve for x
x = 13,283,437,653.13/130,895.25 - Step 6: Final answer
x = 101,481.43
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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.