Finding the Fourth Proportional to 121,454.13, 167,607.00 and 67,742.63
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Solution
The fourth proportional to 121,454.13, 167,607.00 and 67,742.63 is: 93,484.99
Step by Step Solution
- Step 1: Write the proportion equation
121,454.13 : 167,607.00 = 67,742.63 : x - Step 2: Convert to fraction form
121,454.13/167,607.00 = 67,742.63/x - Step 3: Cross multiply
121,454.13x = 167,607.00 × 67,742.63 - Step 4: Simplify right side
121,454.13x = 11,354,137,809.66 - Step 5: Solve for x
x = 11,354,137,809.66/121,454.13 - Step 6: Final answer
x = 93,484.99
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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.