Finding the Fourth Proportional to 113,543.07, 156,696.44 and 63,242.07
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Solution
The fourth proportional to 113,543.07, 156,696.44 and 63,242.07 is: 87,277.95
Step by Step Solution
- Step 1: Write the proportion equation
113,543.07 : 156,696.44 = 63,242.07 : x - Step 2: Convert to fraction form
113,543.07/156,696.44 = 63,242.07/x - Step 3: Cross multiply
113,543.07x = 156,696.44 × 63,242.07 - Step 4: Simplify right side
113,543.07x = 9,909,806,911.02 - Step 5: Solve for x
x = 9,909,806,911.02/113,543.07 - Step 6: Final answer
x = 87,277.95
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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.