Finding the Fourth Proportional to 144,798.23, 199,703.09 and 101,919.67
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Solution
The fourth proportional to 144,798.23, 199,703.09 and 101,919.67 is: 140,565.75
Step by Step Solution
- Step 1: Write the proportion equation
144,798.23 : 199,703.09 = 101,919.67 : x - Step 2: Convert to fraction form
144,798.23/199,703.09 = 101,919.67/x - Step 3: Cross multiply
144,798.23x = 199,703.09 × 101,919.67 - Step 4: Simplify right side
144,798.23x = 20,353,671,522.67 - Step 5: Solve for x
x = 20,353,671,522.67/144,798.23 - Step 6: Final answer
x = 140,565.75
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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.