Finding the Fourth Proportional to 145,651.08, 201,095.16 and 91,284.96
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Solution
The fourth proportional to 145,651.08, 201,095.16 and 91,284.96 is: 126,033.83
Step by Step Solution
- Step 1: Write the proportion equation
145,651.08 : 201,095.16 = 91,284.96 : x - Step 2: Convert to fraction form
145,651.08/201,095.16 = 91,284.96/x - Step 3: Cross multiply
145,651.08x = 201,095.16 × 91,284.96 - Step 4: Simplify right side
145,651.08x = 18,356,963,636.79 - Step 5: Solve for x
x = 18,356,963,636.79/145,651.08 - Step 6: Final answer
x = 126,033.83
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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.