Finding the Fourth Proportional to 113,911.43, 157,197.14 and 62,927.66
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Solution
The fourth proportional to 113,911.43, 157,197.14 and 62,927.66 is: 86,839.82
Step by Step Solution
- Step 1: Write the proportion equation
113,911.43 : 157,197.14 = 62,927.66 : x - Step 2: Convert to fraction form
113,911.43/157,197.14 = 62,927.66/x - Step 3: Cross multiply
113,911.43x = 157,197.14 × 62,927.66 - Step 4: Simplify right side
113,911.43x = 9,892,048,178.89 - Step 5: Solve for x
x = 9,892,048,178.89/113,911.43 - Step 6: Final answer
x = 86,839.82
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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.