Finding the Fourth Proportional to 107,776.26, 148,731.12 and 62,480.48
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Solution
The fourth proportional to 107,776.26, 148,731.12 and 62,480.48 is: 86,222.99
Step by Step Solution
- Step 1: Write the proportion equation
107,776.26 : 148,731.12 = 62,480.48 : x - Step 2: Convert to fraction form
107,776.26/148,731.12 = 62,480.48/x - Step 3: Cross multiply
107,776.26x = 148,731.12 × 62,480.48 - Step 4: Simplify right side
107,776.26x = 9,292,791,024.88 - Step 5: Solve for x
x = 9,292,791,024.88/107,776.26 - Step 6: Final answer
x = 86,222.99
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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.