Finding the Fourth Proportional to 130,163.28, 195,174.74 and 70,223.88
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Solution
The fourth proportional to 130,163.28, 195,174.74 and 70,223.88 is: 105,297.95
Step by Step Solution
- Step 1: Write the proportion equation
130,163.28 : 195,174.74 = 70,223.88 : x - Step 2: Convert to fraction form
130,163.28/195,174.74 = 70,223.88/x - Step 3: Cross multiply
130,163.28x = 195,174.74 × 70,223.88 - Step 4: Simplify right side
130,163.28x = 13,705,927,169.67 - Step 5: Solve for x
x = 13,705,927,169.67/130,163.28 - Step 6: Final answer
x = 105,297.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.