Finding the Fourth Proportional to 126,285.06, 174,295.98 and 75,301.08
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Solution
The fourth proportional to 126,285.06, 174,295.98 and 75,301.08 is: 103,928.96
Step by Step Solution
- Step 1: Write the proportion equation
126,285.06 : 174,295.98 = 75,301.08 : x - Step 2: Convert to fraction form
126,285.06/174,295.98 = 75,301.08/x - Step 3: Cross multiply
126,285.06x = 174,295.98 × 75,301.08 - Step 4: Simplify right side
126,285.06x = 13,124,675,533.66 - Step 5: Solve for x
x = 13,124,675,533.66/126,285.06 - Step 6: Final answer
x = 103,928.96
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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.