Finding the Fourth Proportional to 130,109.09, 179,600.09 and 84,798.09
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Solution
The fourth proportional to 130,109.09, 179,600.09 and 84,798.09 is: 117,053.66
Step by Step Solution
- Step 1: Write the proportion equation
130,109.09 : 179,600.09 = 84,798.09 : x - Step 2: Convert to fraction form
130,109.09/179,600.09 = 84,798.09/x - Step 3: Cross multiply
130,109.09x = 179,600.09 × 84,798.09 - Step 4: Simplify right side
130,109.09x = 15,229,744,171.84 - Step 5: Solve for x
x = 15,229,744,171.84/130,109.09 - Step 6: Final answer
x = 117,053.66
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1.5x scale
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.