Finding the Fourth Proportional to 126,725.98, 174,862.35 and 73,000.50
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Solution
The fourth proportional to 126,725.98, 174,862.35 and 73,000.50 is: 100,729.46
Step by Step Solution
- Step 1: Write the proportion equation
126,725.98 : 174,862.35 = 73,000.50 : x - Step 2: Convert to fraction form
126,725.98/174,862.35 = 73,000.50/x - Step 3: Cross multiply
126,725.98x = 174,862.35 × 73,000.50 - Step 4: Simplify right side
126,725.98x = 12,765,038,981.18 - Step 5: Solve for x
x = 12,765,038,981.18/126,725.98 - Step 6: Final answer
x = 100,729.46
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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.