Finding the Fourth Proportional to 163,137.35, 225,073.08 and 102,685.94
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Solution
The fourth proportional to 163,137.35, 225,073.08 and 102,685.94 is: 141,671.05
Step by Step Solution
- Step 1: Write the proportion equation
163,137.35 : 225,073.08 = 102,685.94 : x - Step 2: Convert to fraction form
163,137.35/225,073.08 = 102,685.94/x - Step 3: Cross multiply
163,137.35x = 225,073.08 × 102,685.94 - Step 4: Simplify right side
163,137.35x = 23,111,839,663.13 - Step 5: Solve for x
x = 23,111,839,663.13/163,137.35 - Step 6: Final answer
x = 141,671.05
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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.