Finding the Fourth Proportional to 133,813.24, 184,565.86 and 86,020.92
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Solution
The fourth proportional to 133,813.24, 184,565.86 and 86,020.92 is: 118,646.89
Step by Step Solution
- Step 1: Write the proportion equation
133,813.24 : 184,565.86 = 86,020.92 : x - Step 2: Convert to fraction form
133,813.24/184,565.86 = 86,020.92/x - Step 3: Cross multiply
133,813.24x = 184,565.86 × 86,020.92 - Step 4: Simplify right side
133,813.24x = 15,876,524,862.74 - Step 5: Solve for x
x = 15,876,524,862.74/133,813.24 - Step 6: Final answer
x = 118,646.89
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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.