Finding the Fourth Proportional to 166,709.04, 230,058.64 and 91,257.68
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Solution
The fourth proportional to 166,709.04, 230,058.64 and 91,257.68 is: 125,935.69
Step by Step Solution
- Step 1: Write the proportion equation
166,709.04 : 230,058.64 = 91,257.68 : x - Step 2: Convert to fraction form
166,709.04/230,058.64 = 91,257.68/x - Step 3: Cross multiply
166,709.04x = 230,058.64 × 91,257.68 - Step 4: Simplify right side
166,709.04x = 20,994,617,750.36 - Step 5: Solve for x
x = 20,994,617,750.36/166,709.04 - Step 6: Final answer
x = 125,935.69
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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.