Finding the Fourth Proportional to 124,856.58, 172,302.68 and 68,267.96
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Solution
The fourth proportional to 124,856.58, 172,302.68 and 68,267.96 is: 94,210.11
Step by Step Solution
- Step 1: Write the proportion equation
124,856.58 : 172,302.68 = 68,267.96 : x - Step 2: Convert to fraction form
124,856.58/172,302.68 = 68,267.96/x - Step 3: Cross multiply
124,856.58x = 172,302.68 × 68,267.96 - Step 4: Simplify right side
124,856.58x = 11,762,752,466.13 - Step 5: Solve for x
x = 11,762,752,466.13/124,856.58 - Step 6: Final answer
x = 94,210.11
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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.