Finding the Fourth Proportional to 140,351.04, 193,657.68 and 83,767.68
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Solution
The fourth proportional to 140,351.04, 193,657.68 and 83,767.68 is: 115,583.43
Step by Step Solution
- Step 1: Write the proportion equation
140,351.04 : 193,657.68 = 83,767.68 : x - Step 2: Convert to fraction form
140,351.04/193,657.68 = 83,767.68/x - Step 3: Cross multiply
140,351.04x = 193,657.68 × 83,767.68 - Step 4: Simplify right side
140,351.04x = 16,222,254,567.78 - Step 5: Solve for x
x = 16,222,254,567.78/140,351.04 - Step 6: Final answer
x = 115,583.43
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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.