Finding the Fourth Proportional to 122,970.96, 169,698.12 and 69,256.08
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Solution
The fourth proportional to 122,970.96, 169,698.12 and 69,256.08 is: 95,572.37
Step by Step Solution
- Step 1: Write the proportion equation
122,970.96 : 169,698.12 = 69,256.08 : x - Step 2: Convert to fraction form
122,970.96/169,698.12 = 69,256.08/x - Step 3: Cross multiply
122,970.96x = 169,698.12 × 69,256.08 - Step 4: Simplify right side
122,970.96x = 11,752,626,574.57 - Step 5: Solve for x
x = 11,752,626,574.57/122,970.96 - Step 6: Final answer
x = 95,572.37
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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.