Finding the Fourth Proportional to 130,119.68, 179,560.50 and 73,529.84
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Solution
The fourth proportional to 130,119.68, 179,560.50 and 73,529.84 is: 101,468.55
Step by Step Solution
- Step 1: Write the proportion equation
130,119.68 : 179,560.50 = 73,529.84 : x - Step 2: Convert to fraction form
130,119.68/179,560.50 = 73,529.84/x - Step 3: Cross multiply
130,119.68x = 179,560.50 × 73,529.84 - Step 4: Simplify right side
130,119.68x = 13,203,054,835.32 - Step 5: Solve for x
x = 13,203,054,835.32/130,119.68 - Step 6: Final answer
x = 101,468.55
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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.