Finding the Fourth Proportional to 102,340.08, 141,219.72 and 75,497.48
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Solution
The fourth proportional to 102,340.08, 141,219.72 and 75,497.48 is: 104,179.45
Step by Step Solution
- Step 1: Write the proportion equation
102,340.08 : 141,219.72 = 75,497.48 : x - Step 2: Convert to fraction form
102,340.08/141,219.72 = 75,497.48/x - Step 3: Cross multiply
102,340.08x = 141,219.72 × 75,497.48 - Step 4: Simplify right side
102,340.08x = 10,661,732,986.31 - Step 5: Solve for x
x = 10,661,732,986.31/102,340.08 - Step 6: Final answer
x = 104,179.45
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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.