Finding the Fourth Proportional to 108,781.89, 163,237.55 and 58,860.99
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Solution
The fourth proportional to 108,781.89, 163,237.55 and 58,860.99 is: 88,326.50
Step by Step Solution
- Step 1: Write the proportion equation
108,781.89 : 163,237.55 = 58,860.99 : x - Step 2: Convert to fraction form
108,781.89/163,237.55 = 58,860.99/x - Step 3: Cross multiply
108,781.89x = 163,237.55 × 58,860.99 - Step 4: Simplify right side
108,781.89x = 9,608,323,503.87 - Step 5: Solve for x
x = 9,608,323,503.87/108,781.89 - Step 6: Final answer
x = 88,326.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.