Finding the Fourth Proportional to 163,695.69, 225,866.21 and 103,195.17
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Solution
The fourth proportional to 163,695.69, 225,866.21 and 103,195.17 is: 142,388.00
Step by Step Solution
- Step 1: Write the proportion equation
163,695.69 : 225,866.21 = 103,195.17 : x - Step 2: Convert to fraction form
163,695.69/225,866.21 = 103,195.17/x - Step 3: Cross multiply
163,695.69x = 225,866.21 × 103,195.17 - Step 4: Simplify right side
163,695.69x = 23,308,301,422.23 - Step 5: Solve for x
x = 23,308,301,422.23/163,695.69 - Step 6: Final answer
x = 142,388.00
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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.