Finding the Fourth Proportional to 130,073.65, 195,221.58 and 92,725.09
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Solution
The fourth proportional to 130,073.65, 195,221.58 and 92,725.09 is: 139,166.84
Step by Step Solution
- Step 1: Write the proportion equation
130,073.65 : 195,221.58 = 92,725.09 : x - Step 2: Convert to fraction form
130,073.65/195,221.58 = 92,725.09/x - Step 3: Cross multiply
130,073.65x = 195,221.58 × 92,725.09 - Step 4: Simplify right side
130,073.65x = 18,101,938,575.44 - Step 5: Solve for x
x = 18,101,938,575.44/130,073.65 - Step 6: Final answer
x = 139,166.84
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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.