Finding the Fourth Proportional to 116,955.06, 161,397.87 and 63,239.95
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Solution
The fourth proportional to 116,955.06, 161,397.87 and 63,239.95 is: 87,271.07
Step by Step Solution
- Step 1: Write the proportion equation
116,955.06 : 161,397.87 = 63,239.95 : x - Step 2: Convert to fraction form
116,955.06/161,397.87 = 63,239.95/x - Step 3: Cross multiply
116,955.06x = 161,397.87 × 63,239.95 - Step 4: Simplify right side
116,955.06x = 10,206,793,387.01 - Step 5: Solve for x
x = 10,206,793,387.01/116,955.06 - Step 6: Final answer
x = 87,271.07
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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.