Finding the Fourth Proportional to 126,266.96, 174,247.80 and 69,681.80
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Solution
The fourth proportional to 126,266.96, 174,247.80 and 69,681.80 is: 96,160.55
Step by Step Solution
- Step 1: Write the proportion equation
126,266.96 : 174,247.80 = 69,681.80 : x - Step 2: Convert to fraction form
126,266.96/174,247.80 = 69,681.80/x - Step 3: Cross multiply
126,266.96x = 174,247.80 × 69,681.80 - Step 4: Simplify right side
126,266.96x = 12,141,900,350.04 - Step 5: Solve for x
x = 12,141,900,350.04/126,266.96 - Step 6: Final answer
x = 96,160.55
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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.