Finding the Fourth Proportional to 145,743.24, 201,126.10 and 84,501.32
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Solution
The fourth proportional to 145,743.24, 201,126.10 and 84,501.32 is: 116,612.07
Step by Step Solution
- Step 1: Write the proportion equation
145,743.24 : 201,126.10 = 84,501.32 : x - Step 2: Convert to fraction form
145,743.24/201,126.10 = 84,501.32/x - Step 3: Cross multiply
145,743.24x = 201,126.10 × 84,501.32 - Step 4: Simplify right side
145,743.24x = 16,995,420,513.95 - Step 5: Solve for x
x = 16,995,420,513.95/145,743.24 - Step 6: Final answer
x = 116,612.07
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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.