Finding the Fourth Proportional to 122,468.36, 168,994.68 and 68,741.06
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Solution
The fourth proportional to 122,468.36, 168,994.68 and 68,741.06 is: 94,856.12
Step by Step Solution
- Step 1: Write the proportion equation
122,468.36 : 168,994.68 = 68,741.06 : x - Step 2: Convert to fraction form
122,468.36/168,994.68 = 68,741.06/x - Step 3: Cross multiply
122,468.36x = 168,994.68 × 68,741.06 - Step 4: Simplify right side
122,468.36x = 11,616,873,602.27 - Step 5: Solve for x
x = 11,616,873,602.27/122,468.36 - Step 6: Final answer
x = 94,856.12
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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.