Finding the Fourth Proportional to 118,844.19, 164,004.93 and 68,543.19
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Solution
The fourth proportional to 118,844.19, 164,004.93 and 68,543.19 is: 94,589.57
Step by Step Solution
- Step 1: Write the proportion equation
118,844.19 : 164,004.93 = 68,543.19 : x - Step 2: Convert to fraction form
118,844.19/164,004.93 = 68,543.19/x - Step 3: Cross multiply
118,844.19x = 164,004.93 × 68,543.19 - Step 4: Simplify right side
118,844.19x = 11,241,421,077.93 - Step 5: Solve for x
x = 11,241,421,077.93/118,844.19 - Step 6: Final answer
x = 94,589.57
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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.