Finding the Fourth Proportional to 122,833.08, 169,507.62 and 69,118.07
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Solution
The fourth proportional to 122,833.08, 169,507.62 and 69,118.07 is: 95,381.79
Step by Step Solution
- Step 1: Write the proportion equation
122,833.08 : 169,507.62 = 69,118.07 : x - Step 2: Convert to fraction form
122,833.08/169,507.62 = 69,118.07/x - Step 3: Cross multiply
122,833.08x = 169,507.62 × 69,118.07 - Step 4: Simplify right side
122,833.08x = 11,716,038,697.16 - Step 5: Solve for x
x = 11,716,038,697.16/122,833.08 - Step 6: Final answer
x = 95,381.79
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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.