Finding the Fourth Proportional to 126,533.23, 174,502.69 and 104,988.80
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Solution
The fourth proportional to 126,533.23, 174,502.69 and 104,988.80 is: 144,790.65
Step by Step Solution
- Step 1: Write the proportion equation
126,533.23 : 174,502.69 = 104,988.80 : x - Step 2: Convert to fraction form
126,533.23/174,502.69 = 104,988.80/x - Step 3: Cross multiply
126,533.23x = 174,502.69 × 104,988.80 - Step 4: Simplify right side
126,533.23x = 18,320,827,494.93 - Step 5: Solve for x
x = 18,320,827,494.93/126,533.23 - Step 6: Final answer
x = 144,790.65
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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.