Finding the Fourth Proportional to 168,607.13, 252,692.67 and 126,154.13
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Solution
The fourth proportional to 168,607.13, 252,692.67 and 126,154.13 is: 189,068.07
Step by Step Solution
- Step 1: Write the proportion equation
168,607.13 : 252,692.67 = 126,154.13 : x - Step 2: Convert to fraction form
168,607.13/252,692.67 = 126,154.13/x - Step 3: Cross multiply
168,607.13x = 252,692.67 × 126,154.13 - Step 4: Simplify right side
168,607.13x = 31,878,223,941.23 - Step 5: Solve for x
x = 31,878,223,941.23/168,607.13 - Step 6: Final answer
x = 189,068.07
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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.