Finding the Fourth Proportional to 122,032.08, 168,392.52 and 68,312.88
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Solution
The fourth proportional to 122,032.08, 168,392.52 and 68,312.88 is: 94,265.20
Step by Step Solution
- Step 1: Write the proportion equation
122,032.08 : 168,392.52 = 68,312.88 : x - Step 2: Convert to fraction form
122,032.08/168,392.52 = 68,312.88/x - Step 3: Cross multiply
122,032.08x = 168,392.52 × 68,312.88 - Step 4: Simplify right side
122,032.08x = 11,503,378,011.66 - Step 5: Solve for x
x = 11,503,378,011.66/122,032.08 - Step 6: Final answer
x = 94,265.20
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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.