Finding the Fourth Proportional to 124,197.68, 171,392.80 and 67,609.05
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Solution
The fourth proportional to 124,197.68, 171,392.80 and 67,609.05 is: 93,300.50
Step by Step Solution
- Step 1: Write the proportion equation
124,197.68 : 171,392.80 = 67,609.05 : x - Step 2: Convert to fraction form
124,197.68/171,392.80 = 67,609.05/x - Step 3: Cross multiply
124,197.68x = 171,392.80 × 67,609.05 - Step 4: Simplify right side
124,197.68x = 11,587,705,050.91 - Step 5: Solve for x
x = 11,587,705,050.91/124,197.68 - Step 6: Final answer
x = 93,300.50
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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.