Finding the Fourth Proportional to 122,923.04, 169,637.09 and 69,210.09
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Solution
The fourth proportional to 122,923.04, 169,637.09 and 69,210.09 is: 95,511.78
Step by Step Solution
- Step 1: Write the proportion equation
122,923.04 : 169,637.09 = 69,210.09 : x - Step 2: Convert to fraction form
122,923.04/169,637.09 = 69,210.09/x - Step 3: Cross multiply
122,923.04x = 169,637.09 × 69,210.09 - Step 4: Simplify right side
122,923.04x = 11,740,597,920.19 - Step 5: Solve for x
x = 11,740,597,920.19/122,923.04 - Step 6: Final answer
x = 95,511.78
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1.5x scale
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.