Finding the Fourth Proportional to 124,770.60, 187,106.16 and 72,217.08
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Solution
The fourth proportional to 124,770.60, 187,106.16 and 72,217.08 is: 108,296.83
Step by Step Solution
- Step 1: Write the proportion equation
124,770.60 : 187,106.16 = 72,217.08 : x - Step 2: Convert to fraction form
124,770.60/187,106.16 = 72,217.08/x - Step 3: Cross multiply
124,770.60x = 187,106.16 × 72,217.08 - Step 4: Simplify right side
124,770.60x = 13,512,260,525.21 - Step 5: Solve for x
x = 13,512,260,525.21/124,770.60 - Step 6: Final answer
x = 108,296.83
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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.