Finding the Fourth Proportional to 126,353.46, 174,364.44 and 69,763.62
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Solution
The fourth proportional to 126,353.46, 174,364.44 and 69,763.62 is: 96,271.95
Step by Step Solution
- Step 1: Write the proportion equation
126,353.46 : 174,364.44 = 69,763.62 : x - Step 2: Convert to fraction form
126,353.46/174,364.44 = 69,763.62/x - Step 3: Cross multiply
126,353.46x = 174,364.44 × 69,763.62 - Step 4: Simplify right side
126,353.46x = 12,164,294,533.67 - Step 5: Solve for x
x = 12,164,294,533.67/126,353.46 - Step 6: Final answer
x = 96,271.95
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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.