Finding the Fourth Proportional to 110,982.98, 153,157.11 and 60,681.98
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Solution
The fourth proportional to 110,982.98, 153,157.11 and 60,681.98 is: 83,741.46
Step by Step Solution
- Step 1: Write the proportion equation
110,982.98 : 153,157.11 = 60,681.98 : x - Step 2: Convert to fraction form
110,982.98/153,157.11 = 60,681.98/x - Step 3: Cross multiply
110,982.98x = 153,157.11 × 60,681.98 - Step 4: Simplify right side
110,982.98x = 9,293,876,841.21 - Step 5: Solve for x
x = 9,293,876,841.21/110,982.98 - Step 6: Final answer
x = 83,741.46
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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.