Finding the Fourth Proportional to 130,586.44, 180,115.93 and 119,865.35
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Solution
The fourth proportional to 130,586.44, 180,115.93 and 119,865.35 is: 165,328.49
Step by Step Solution
- Step 1: Write the proportion equation
130,586.44 : 180,115.93 = 119,865.35 : x - Step 2: Convert to fraction form
130,586.44/180,115.93 = 119,865.35/x - Step 3: Cross multiply
130,586.44x = 180,115.93 × 119,865.35 - Step 4: Simplify right side
130,586.44x = 21,589,658,990.03 - Step 5: Solve for x
x = 21,589,658,990.03/130,586.44 - Step 6: Final answer
x = 165,328.49
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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.