Finding the Fourth Proportional to 104,275.08, 143,740.26 and 63,913.95
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Solution
The fourth proportional to 104,275.08, 143,740.26 and 63,913.95 is: 88,103.58
Step by Step Solution
- Step 1: Write the proportion equation
104,275.08 : 143,740.26 = 63,913.95 : x - Step 2: Convert to fraction form
104,275.08/143,740.26 = 63,913.95/x - Step 3: Cross multiply
104,275.08x = 143,740.26 × 63,913.95 - Step 4: Simplify right side
104,275.08x = 9,187,007,790.63 - Step 5: Solve for x
x = 9,187,007,790.63/104,275.08 - Step 6: Final answer
x = 88,103.58
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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.