Finding the Fourth Proportional to 126,257.70, 174,235.14 and 69,669.48
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Solution
The fourth proportional to 126,257.70, 174,235.14 and 69,669.48 is: 96,143.61
Step by Step Solution
- Step 1: Write the proportion equation
126,257.70 : 174,235.14 = 69,669.48 : x - Step 2: Convert to fraction form
126,257.70/174,235.14 = 69,669.48/x - Step 3: Cross multiply
126,257.70x = 174,235.14 × 69,669.48 - Step 4: Simplify right side
126,257.70x = 12,138,871,601.53 - Step 5: Solve for x
x = 12,138,871,601.53/126,257.70 - Step 6: Final answer
x = 96,143.61
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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.