Finding the Fourth Proportional to 117,536.42, 162,177.45 and 69,804.74
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Solution
The fourth proportional to 117,536.42, 162,177.45 and 69,804.74 is: 96,316.99
Step by Step Solution
- Step 1: Write the proportion equation
117,536.42 : 162,177.45 = 69,804.74 : x - Step 2: Convert to fraction form
117,536.42/162,177.45 = 69,804.74/x - Step 3: Cross multiply
117,536.42x = 162,177.45 × 69,804.74 - Step 4: Simplify right side
117,536.42x = 11,320,754,731.11 - Step 5: Solve for x
x = 11,320,754,731.11/117,536.42 - Step 6: Final answer
x = 96,316.99
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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.