Finding the Fourth Proportional to 125,372.19, 173,013.05 and 68,011.55
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Solution
The fourth proportional to 125,372.19, 173,013.05 and 68,011.55 is: 93,855.63
Step by Step Solution
- Step 1: Write the proportion equation
125,372.19 : 173,013.05 = 68,011.55 : x - Step 2: Convert to fraction form
125,372.19/173,013.05 = 68,011.55/x - Step 3: Cross multiply
125,372.19x = 173,013.05 × 68,011.55 - Step 4: Simplify right side
125,372.19x = 11,766,885,271.93 - Step 5: Solve for x
x = 11,766,885,271.93/125,372.19 - Step 6: Final answer
x = 93,855.63
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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.